Finding the Fourth Proportional to 171,111.30, 256,710.69 and 65,902.02

Step by Step Solution

1. Step 1: Write the proportion equation
   171,111.30 : 256,710.69 = 65,902.02 : x
2. Step 2: Convert to fraction form
   171,111.30/256,710.69 = 65,902.02/x
3. Step 3: Cross multiply
   171,111.30x = 256,710.69 × 65,902.02
4. Step 4: Simplify right side
   171,111.30x = 16,917,753,026.59
5. Step 5: Solve for x
   x = 16,917,753,026.59/171,111.30
6. Step 6: Final answer
   x = 98,869.88