Finding the Fourth Proportional to 126,779.16, 174,955.25 and 69,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   126,779.16 : 174,955.25 = 69,422.10 : x
2. Step 2: Convert to fraction form
   126,779.16/174,955.25 = 69,422.10/x
3. Step 3: Cross multiply
   126,779.16x = 174,955.25 × 69,422.10
4. Step 4: Simplify right side
   126,779.16x = 12,145,760,861.03
5. Step 5: Solve for x
   x = 12,145,760,861.03/126,779.16
6. Step 6: Final answer
   x = 95,802.50