Finding the Fourth Proportional to 68,681.34, 103,490.04 and 56,474.82

Step by Step Solution

1. Step 1: Write the proportion equation
   68,681.34 : 103,490.04 = 56,474.82 : x
2. Step 2: Convert to fraction form
   68,681.34/103,490.04 = 56,474.82/x
3. Step 3: Cross multiply
   68,681.34x = 103,490.04 × 56,474.82
4. Step 4: Simplify right side
   68,681.34x = 5,844,581,380.79
5. Step 5: Solve for x
   x = 5,844,581,380.79/68,681.34
6. Step 6: Final answer
   x = 85,097.08