Finding the Fourth Proportional to 123,056.28, 169,818.36 and 69,342.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,056.28 : 169,818.36 = 69,342.12 : x
2. Step 2: Convert to fraction form
   123,056.28/169,818.36 = 69,342.12/x
3. Step 3: Cross multiply
   123,056.28x = 169,818.36 × 69,342.12
4. Step 4: Simplify right side
   123,056.28x = 11,775,565,097.32
5. Step 5: Solve for x
   x = 11,775,565,097.32/123,056.28
6. Step 6: Final answer
   x = 95,692.52