Finding the Fourth Proportional to 76,002.57, 113,942.34 and 31,662.63

Step by Step Solution

1. Step 1: Write the proportion equation
   76,002.57 : 113,942.34 = 31,662.63 : x
2. Step 2: Convert to fraction form
   76,002.57/113,942.34 = 31,662.63/x
3. Step 3: Cross multiply
   76,002.57x = 113,942.34 × 31,662.63
4. Step 4: Simplify right side
   76,002.57x = 3,607,714,152.75
5. Step 5: Solve for x
   x = 3,607,714,152.75/76,002.57
6. Step 6: Final answer
   x = 47,468.32