Finding the Fourth Proportional to 56,687,870.18, 78,224,270.46 and 31,568,081.74

Step by Step Solution

1. Step 1: Write the proportion equation
   56,687,870.18 : 78,224,270.46 = 31,568,081.74 : x
2. Step 2: Convert to fraction form
   56,687,870.18/78,224,270.46 = 31,568,081.74/x
3. Step 3: Cross multiply
   56,687,870.18x = 78,224,270.46 × 31,568,081.74
4. Step 4: Simplify right side
   56,687,870.18x = 2,469,390,163,933,147
5. Step 5: Solve for x
   x = 2,469,390,163,933,147/56,687,870.18
6. Step 6: Final answer
   x = 43,561,173.78