Finding the Fourth Proportional to 56,593.60, 78,099.16 and 31,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   56,593.60 : 78,099.16 = 31,443.10 : x
2. Step 2: Convert to fraction form
   56,593.60/78,099.16 = 31,443.10/x
3. Step 3: Cross multiply
   56,593.60x = 78,099.16 × 31,443.10
4. Step 4: Simplify right side
   56,593.60x = 2,455,679,423.94
5. Step 5: Solve for x
   x = 2,455,679,423.94/56,593.60
6. Step 6: Final answer
   x = 43,391.47