Finding the Fourth Proportional to 89,850.16, 134,684.00 and 58,280.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,850.16 : 134,684.00 = 58,280.30 : x
2. Step 2: Convert to fraction form
   89,850.16/134,684.00 = 58,280.30/x
3. Step 3: Cross multiply
   89,850.16x = 134,684.00 × 58,280.30
4. Step 4: Simplify right side
   89,850.16x = 7,849,424,592.76
5. Step 5: Solve for x
   x = 7,849,424,592.76/89,850.16
6. Step 6: Final answer
   x = 87,361.27