Finding the Fourth Proportional to 91,484.16, 137,007.16 and 58,099.76

Step by Step Solution

1. Step 1: Write the proportion equation
   91,484.16 : 137,007.16 = 58,099.76 : x
2. Step 2: Convert to fraction form
   91,484.16/137,007.16 = 58,099.76/x
3. Step 3: Cross multiply
   91,484.16x = 137,007.16 × 58,099.76
4. Step 4: Simplify right side
   91,484.16x = 7,960,083,114.28
5. Step 5: Solve for x
   x = 7,960,083,114.28/91,484.16
6. Step 6: Final answer
   x = 87,010.51