Finding the Fourth Proportional to 105,613.87, 158,216.66 and 58,724.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,613.87 : 158,216.66 = 58,724.59 : x
2. Step 2: Convert to fraction form
   105,613.87/158,216.66 = 58,724.59/x
3. Step 3: Cross multiply
   105,613.87x = 158,216.66 × 58,724.59
4. Step 4: Simplify right side
   105,613.87x = 9,291,209,032.02
5. Step 5: Solve for x
   x = 9,291,209,032.02/105,613.87
6. Step 6: Final answer
   x = 87,973.38