Finding the Fourth Proportional to 311,525.88, 467,288.76 and 74,868.55

Step by Step Solution

1. Step 1: Write the proportion equation
   311,525.88 : 467,288.76 = 74,868.55 : x
2. Step 2: Convert to fraction form
   311,525.88/467,288.76 = 74,868.55/x
3. Step 3: Cross multiply
   311,525.88x = 467,288.76 × 74,868.55
4. Step 4: Simplify right side
   311,525.88x = 34,985,231,892.50
5. Step 5: Solve for x
   x = 34,985,231,892.50/311,525.88
6. Step 6: Final answer
   x = 112,302.81