Finding the Fourth Proportional to 96,858.41, 133,665.86 and 58,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   96,858.41 : 133,665.86 = 58,617.50 : x
2. Step 2: Convert to fraction form
   96,858.41/133,665.86 = 58,617.50/x
3. Step 3: Cross multiply
   96,858.41x = 133,665.86 × 58,617.50
4. Step 4: Simplify right side
   96,858.41x = 7,835,158,026.76
5. Step 5: Solve for x
   x = 7,835,158,026.76/96,858.41
6. Step 6: Final answer
   x = 80,892.91