Finding the Fourth Proportional to 100,822.96, 139,143.72 and 58,382.24

Step by Step Solution

1. Step 1: Write the proportion equation
   100,822.96 : 139,143.72 = 58,382.24 : x
2. Step 2: Convert to fraction form
   100,822.96/139,143.72 = 58,382.24/x
3. Step 3: Cross multiply
   100,822.96x = 139,143.72 × 58,382.24
4. Step 4: Simplify right side
   100,822.96x = 8,123,522,055.53
5. Step 5: Solve for x
   x = 8,123,522,055.53/100,822.96
6. Step 6: Final answer
   x = 80,572.14