Finding the Fourth Proportional to 56,513,405.83, 77,983,169.55 and 31,728,752.05

Step by Step Solution

1. Step 1: Write the proportion equation
   56,513,405.83 : 77,983,169.55 = 31,728,752.05 : x
2. Step 2: Convert to fraction form
   56,513,405.83/77,983,169.55 = 31,728,752.05/x
3. Step 3: Cross multiply
   56,513,405.83x = 77,983,169.55 × 31,728,752.05
4. Step 4: Simplify right side
   56,513,405.83x = 2,474,308,650,551,606
5. Step 5: Solve for x
   x = 2,474,308,650,551,606/56,513,405.83
6. Step 6: Final answer
   x = 43,782,685.09