Finding the Fourth Proportional to 121,111.48, 181,404.66 and 58,651

Step by Step Solution

1. Step 1: Write the proportion equation
   121,111.48 : 181,404.66 = 58,651 : x
2. Step 2: Convert to fraction form
   121,111.48/181,404.66 = 58,651/x
3. Step 3: Cross multiply
   121,111.48x = 181,404.66 × 58,651
4. Step 4: Simplify right side
   121,111.48x = 10,639,564,713.66
5. Step 5: Solve for x
   x = 10,639,564,713.66/121,111.48
6. Step 6: Final answer
   x = 87,849.35