Finding the Fourth Proportional to 89,851.16, 134,685.50 and 58,281.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,851.16 : 134,685.50 = 58,281.30 : x
2. Step 2: Convert to fraction form
   89,851.16/134,685.50 = 58,281.30/x
3. Step 3: Cross multiply
   89,851.16x = 134,685.50 × 58,281.30
4. Step 4: Simplify right side
   89,851.16x = 7,849,646,031.15
5. Step 5: Solve for x
   x = 7,849,646,031.15/89,851.16
6. Step 6: Final answer
   x = 87,362.77