Finding the Fourth Proportional to 22,955,101.91, 31,677,657.86 and 12,642,784.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,955,101.91 : 31,677,657.86 = 12,642,784.55 : x
2. Step 2: Convert to fraction form
   22,955,101.91/31,677,657.86 = 12,642,784.55/x
3. Step 3: Cross multiply
   22,955,101.91x = 31,677,657.86 × 12,642,784.55
4. Step 4: Simplify right side
   22,955,101.91x = 400,493,803,372,594.06
5. Step 5: Solve for x
   x = 400,493,803,372,594.06/22,955,101.91
6. Step 6: Final answer
   x = 17,446,831.86