Finding the Fourth Proportional to 123,250.74, 170,085.50 and 69,535.78

Step by Step Solution

1. Step 1: Write the proportion equation
   123,250.74 : 170,085.50 = 69,535.78 : x
2. Step 2: Convert to fraction form
   123,250.74/170,085.50 = 69,535.78/x
3. Step 3: Cross multiply
   123,250.74x = 170,085.50 × 69,535.78
4. Step 4: Simplify right side
   123,250.74x = 11,827,027,909.19
5. Step 5: Solve for x
   x = 11,827,027,909.19/123,250.74
6. Step 6: Final answer
   x = 95,959.08