Finding the Fourth Proportional to 90,152.66, 124,297.57 and 57,830.29

Step by Step Solution

1. Step 1: Write the proportion equation
   90,152.66 : 124,297.57 = 57,830.29 : x
2. Step 2: Convert to fraction form
   90,152.66/124,297.57 = 57,830.29/x
3. Step 3: Cross multiply
   90,152.66x = 124,297.57 × 57,830.29
4. Step 4: Simplify right side
   90,152.66x = 7,188,164,519.40
5. Step 5: Solve for x
   x = 7,188,164,519.40/90,152.66
6. Step 6: Final answer
   x = 79,733.25