Finding the Fourth Proportional to 123,600.52, 170,558.22 and 69,878.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,600.52 : 170,558.22 = 69,878.08 : x
2. Step 2: Convert to fraction form
   123,600.52/170,558.22 = 69,878.08/x
3. Step 3: Cross multiply
   123,600.52x = 170,558.22 × 69,878.08
4. Step 4: Simplify right side
   123,600.52x = 11,918,280,941.82
5. Step 5: Solve for x
   x = 11,918,280,941.82/123,600.52
6. Step 6: Final answer
   x = 96,425.82