Finding the Fourth Proportional to 123,763.50, 170,779.43 and 69,308.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,763.50 : 170,779.43 = 69,308.07 : x
2. Step 2: Convert to fraction form
   123,763.50/170,779.43 = 69,308.07/x
3. Step 3: Cross multiply
   123,763.50x = 170,779.43 × 69,308.07
4. Step 4: Simplify right side
   123,763.50x = 11,836,392,342.46
5. Step 5: Solve for x
   x = 11,836,392,342.46/123,763.50
6. Step 6: Final answer
   x = 95,637.18