Finding the Fourth Proportional to 114,607.35, 172,104.90 and 74,694.15

Step by Step Solution

1. Step 1: Write the proportion equation
   114,607.35 : 172,104.90 = 74,694.15 : x
2. Step 2: Convert to fraction form
   114,607.35/172,104.90 = 74,694.15/x
3. Step 3: Cross multiply
   114,607.35x = 172,104.90 × 74,694.15
4. Step 4: Simplify right side
   114,607.35x = 12,855,229,216.34
5. Step 5: Solve for x
   x = 12,855,229,216.34/114,607.35
6. Step 6: Final answer
   x = 112,167.58