Finding the Fourth Proportional to 123,031.26, 169,779.33 and 69,312.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,031.26 : 169,779.33 = 69,312.06 : x
2. Step 2: Convert to fraction form
   123,031.26/169,779.33 = 69,312.06/x
3. Step 3: Cross multiply
   123,031.26x = 169,779.33 × 69,312.06
4. Step 4: Simplify right side
   123,031.26x = 11,767,755,107.72
5. Step 5: Solve for x
   x = 11,767,755,107.72/123,031.26
6. Step 6: Final answer
   x = 95,648.50