Finding the Fourth Proportional to 10,261.31, 14,160.65 and 5,545.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,261.31 : 14,160.65 = 5,545.63 : x
2. Step 2: Convert to fraction form
   10,261.31/14,160.65 = 5,545.63/x
3. Step 3: Cross multiply
   10,261.31x = 14,160.65 × 5,545.63
4. Step 4: Simplify right side
   10,261.31x = 78,529,725.46
5. Step 5: Solve for x
   x = 78,529,725.46/10,261.31
6. Step 6: Final answer
   x = 7,652.99