Finding the Fourth Proportional to 169,500.69, 254,238.69 and 69,633.78

Step by Step Solution

1. Step 1: Write the proportion equation
   169,500.69 : 254,238.69 = 69,633.78 : x
2. Step 2: Convert to fraction form
   169,500.69/254,238.69 = 69,633.78/x
3. Step 3: Cross multiply
   169,500.69x = 254,238.69 × 69,633.78
4. Step 4: Simplify right side
   169,500.69x = 17,703,601,006.95
5. Step 5: Solve for x
   x = 17,703,601,006.95/169,500.69
6. Step 6: Final answer
   x = 104,445.60