Finding the Fourth Proportional to 90,569.63, 124,899.23 and 58,271.29

Step by Step Solution

1. Step 1: Write the proportion equation
   90,569.63 : 124,899.23 = 58,271.29 : x
2. Step 2: Convert to fraction form
   90,569.63/124,899.23 = 58,271.29/x
3. Step 3: Cross multiply
   90,569.63x = 124,899.23 × 58,271.29
4. Step 4: Simplify right side
   90,569.63x = 7,278,039,085.54
5. Step 5: Solve for x
   x = 7,278,039,085.54/90,569.63
6. Step 6: Final answer
   x = 80,358.49