Finding the Fourth Proportional to 53,499,102.16, 80,223,356.15 and 20,725,021.52

Step by Step Solution

1. Step 1: Write the proportion equation
   53,499,102.16 : 80,223,356.15 = 20,725,021.52 : x
2. Step 2: Convert to fraction form
   53,499,102.16/80,223,356.15 = 20,725,021.52/x
3. Step 3: Cross multiply
   53,499,102.16x = 80,223,356.15 × 20,725,021.52
4. Step 4: Simplify right side
   53,499,102.16x = 1,662,630,782,615,374.50
5. Step 5: Solve for x
   x = 1,662,630,782,615,374.50/53,499,102.16
6. Step 6: Final answer
   x = 31,077,732.44