Finding the Fourth Proportional to 123,055.78, 169,820.50 and 69,337.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,055.78 : 169,820.50 = 69,337.84 : x
2. Step 2: Convert to fraction form
   123,055.78/169,820.50 = 69,337.84/x
3. Step 3: Cross multiply
   123,055.78x = 169,820.50 × 69,337.84
4. Step 4: Simplify right side
   123,055.78x = 11,774,986,657.72
5. Step 5: Solve for x
   x = 11,774,986,657.72/123,055.78
6. Step 6: Final answer
   x = 95,688.20