Finding the Fourth Proportional to 96,458.31, 133,113.98 and 55,599.89

Step by Step Solution

1. Step 1: Write the proportion equation
   96,458.31 : 133,113.98 = 55,599.89 : x
2. Step 2: Convert to fraction form
   96,458.31/133,113.98 = 55,599.89/x
3. Step 3: Cross multiply
   96,458.31x = 133,113.98 × 55,599.89
4. Step 4: Simplify right side
   96,458.31x = 7,401,122,118.89
5. Step 5: Solve for x
   x = 7,401,122,118.89/96,458.31
6. Step 6: Final answer
   x = 76,728.71