Finding the Fourth Proportional to 56,687,863.16, 78,224,260.80 and 31,568,074.71

Step by Step Solution

1. Step 1: Write the proportion equation
   56,687,863.16 : 78,224,260.80 = 31,568,074.71 : x
2. Step 2: Convert to fraction form
   56,687,863.16/78,224,260.80 = 31,568,074.71/x
3. Step 3: Cross multiply
   56,687,863.16x = 78,224,260.80 × 31,568,074.71
4. Step 4: Simplify right side
   56,687,863.16x = 2,469,389,309,068,924.50
5. Step 5: Solve for x
   x = 2,469,389,309,068,924.50/56,687,863.16
6. Step 6: Final answer
   x = 43,561,164.09