Finding the Fourth Proportional to 126,307.30, 174,305.52 and 69,718.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,307.30 : 174,305.52 = 69,718.72 : x
2. Step 2: Convert to fraction form
   126,307.30/174,305.52 = 69,718.72/x
3. Step 3: Cross multiply
   126,307.30x = 174,305.52 × 69,718.72
4. Step 4: Simplify right side
   126,307.30x = 12,152,357,743.33
5. Step 5: Solve for x
   x = 12,152,357,743.33/126,307.30
6. Step 6: Final answer
   x = 96,212.63