Finding the Fourth Proportional to 112,399.98, 155,104.98 and 61,402.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,399.98 : 155,104.98 = 61,402.38 : x
2. Step 2: Convert to fraction form
   112,399.98/155,104.98 = 61,402.38/x
3. Step 3: Cross multiply
   112,399.98x = 155,104.98 × 61,402.38
4. Step 4: Simplify right side
   112,399.98x = 9,523,814,921.85
5. Step 5: Solve for x
   x = 9,523,814,921.85/112,399.98
6. Step 6: Final answer
   x = 84,731.46