Finding the Fourth Proportional to 89,275.74, 123,200.52 and 51,036.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,275.74 : 123,200.52 = 51,036.12 : x
2. Step 2: Convert to fraction form
   89,275.74/123,200.52 = 51,036.12/x
3. Step 3: Cross multiply
   89,275.74x = 123,200.52 × 51,036.12
4. Step 4: Simplify right side
   89,275.74x = 6,287,676,522.78
5. Step 5: Solve for x
   x = 6,287,676,522.78/89,275.74
6. Step 6: Final answer
   x = 70,429.84