Finding the Fourth Proportional to 31,665,092,614.08, 43,698,681,151.08 and 18,630,185,160.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,665,092,614.08 : 43,698,681,151.08 = 18,630,185,160.71 : x
2. Step 2: Convert to fraction form
   31,665,092,614.08/43,698,681,151.08 = 18,630,185,160.71/x
3. Step 3: Cross multiply
   31,665,092,614.08x = 43,698,681,151.08 × 18,630,185,160.71
4. Step 4: Simplify right side
   31,665,092,614.08x = 814,114,521,123,448,422,400
5. Step 5: Solve for x
   x = 814,114,521,123,448,422,400/31,665,092,614.08
6. Step 6: Final answer
   x = 25,710,157,587.27