Finding the Fourth Proportional to 123,488.04, 170,350.86 and 78,089.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,488.04 : 170,350.86 = 78,089.52 : x
2. Step 2: Convert to fraction form
   123,488.04/170,350.86 = 78,089.52/x
3. Step 3: Cross multiply
   123,488.04x = 170,350.86 × 78,089.52
4. Step 4: Simplify right side
   123,488.04x = 13,302,616,888.99
5. Step 5: Solve for x
   x = 13,302,616,888.99/123,488.04
6. Step 6: Final answer
   x = 107,723.93