Finding the Fourth Proportional to 76,002.45, 113,942.17 and 31,662.51

Step by Step Solution

1. Step 1: Write the proportion equation
   76,002.45 : 113,942.17 = 31,662.51 : x
2. Step 2: Convert to fraction form
   76,002.45/113,942.17 = 31,662.51/x
3. Step 3: Cross multiply
   76,002.45x = 113,942.17 × 31,662.51
4. Step 4: Simplify right side
   76,002.45x = 3,607,695,097.05
5. Step 5: Solve for x
   x = 3,607,695,097.05/76,002.45
6. Step 6: Final answer
   x = 47,468.14