Finding the Fourth Proportional to 56,662,993.24, 78,185,175.42 and 31,879,740.76

Step by Step Solution

1. Step 1: Write the proportion equation
   56,662,993.24 : 78,185,175.42 = 31,879,740.76 : x
2. Step 2: Convert to fraction form
   56,662,993.24/78,185,175.42 = 31,879,740.76/x
3. Step 3: Cross multiply
   56,662,993.24x = 78,185,175.42 × 31,879,740.76
4. Step 4: Simplify right side
   56,662,993.24x = 2,492,523,123,664,724.50
5. Step 5: Solve for x
   x = 2,492,523,123,664,724.50/56,662,993.24
6. Step 6: Final answer
   x = 43,988,553.75