Finding the Fourth Proportional to 90,443.26, 124,819.59 and 52,716.70

Step by Step Solution

1. Step 1: Write the proportion equation
   90,443.26 : 124,819.59 = 52,716.70 : x
2. Step 2: Convert to fraction form
   90,443.26/124,819.59 = 52,716.70/x
3. Step 3: Cross multiply
   90,443.26x = 124,819.59 × 52,716.70
4. Step 4: Simplify right side
   90,443.26x = 6,580,076,880.15
5. Step 5: Solve for x
   x = 6,580,076,880.15/90,443.26
6. Step 6: Final answer
   x = 72,753.65