Finding the Fourth Proportional to 126,308.61, 174,307.31 and 69,719.97

Step by Step Solution

1. Step 1: Write the proportion equation
   126,308.61 : 174,307.31 = 69,719.97 : x
2. Step 2: Convert to fraction form
   126,308.61/174,307.31 = 69,719.97/x
3. Step 3: Cross multiply
   126,308.61x = 174,307.31 × 69,719.97
4. Step 4: Simplify right side
   126,308.61x = 12,152,700,075.38
5. Step 5: Solve for x
   x = 12,152,700,075.38/126,308.61
6. Step 6: Final answer
   x = 96,214.34