Finding the Fourth Proportional to 83,397.78, 115,109.22 and 51,547.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,397.78 : 115,109.22 = 51,547.50 : x
2. Step 2: Convert to fraction form
   83,397.78/115,109.22 = 51,547.50/x
3. Step 3: Cross multiply
   83,397.78x = 115,109.22 × 51,547.50
4. Step 4: Simplify right side
   83,397.78x = 5,933,592,517.95
5. Step 5: Solve for x
   x = 5,933,592,517.95/83,397.78
6. Step 6: Final answer
   x = 71,148.09