Finding the Fourth Proportional to 123,216.32, 170,038.32 and 69,501.17

Step by Step Solution

1. Step 1: Write the proportion equation
   123,216.32 : 170,038.32 = 69,501.17 : x
2. Step 2: Convert to fraction form
   123,216.32/170,038.32 = 69,501.17/x
3. Step 3: Cross multiply
   123,216.32x = 170,038.32 × 69,501.17
4. Step 4: Simplify right side
   123,216.32x = 11,817,862,184.83
5. Step 5: Solve for x
   x = 11,817,862,184.83/123,216.32
6. Step 6: Final answer
   x = 95,911.50