Finding the Fourth Proportional to 68,156.37, 102,250.71 and 21,409.29

Step by Step Solution

1. Step 1: Write the proportion equation
   68,156.37 : 102,250.71 = 21,409.29 : x
2. Step 2: Convert to fraction form
   68,156.37/102,250.71 = 21,409.29/x
3. Step 3: Cross multiply
   68,156.37x = 102,250.71 × 21,409.29
4. Step 4: Simplify right side
   68,156.37x = 2,189,115,103.10
5. Step 5: Solve for x
   x = 2,189,115,103.10/68,156.37
6. Step 6: Final answer
   x = 32,119.01