Finding the Fourth Proportional to 123,100.64, 169,848.56 and 69,385.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,100.64 : 169,848.56 = 69,385.76 : x
2. Step 2: Convert to fraction form
   123,100.64/169,848.56 = 69,385.76/x
3. Step 3: Cross multiply
   123,100.64x = 169,848.56 × 69,385.76
4. Step 4: Simplify right side
   123,100.64x = 11,785,071,420.51
5. Step 5: Solve for x
   x = 11,785,071,420.51/123,100.64
6. Step 6: Final answer
   x = 95,735.26