Finding the Fourth Proportional to 10,402.95, 14,355.54 and 5,687.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402.95 : 14,355.54 = 5,687.22 : x
2. Step 2: Convert to fraction form
   10,402.95/14,355.54 = 5,687.22/x
3. Step 3: Cross multiply
   10,402.95x = 14,355.54 × 5,687.22
4. Step 4: Simplify right side
   10,402.95x = 81,643,114.20
5. Step 5: Solve for x
   x = 81,643,114.20/10,402.95
6. Step 6: Final answer
   x = 7,848.07