Finding the Fourth Proportional to 89,348.32, 123,275.52 and 57,535.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,348.32 : 123,275.52 = 57,535.68 : x
2. Step 2: Convert to fraction form
   89,348.32/123,275.52 = 57,535.68/x
3. Step 3: Cross multiply
   89,348.32x = 123,275.52 × 57,535.68
4. Step 4: Simplify right side
   89,348.32x = 7,092,740,870.55
5. Step 5: Solve for x
   x = 7,092,740,870.55/89,348.32
6. Step 6: Final answer
   x = 79,383.04