Finding the Fourth Proportional to 10,261.53, 14,160.89 and 5,545.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,261.53 : 14,160.89 = 5,545.80 : x
2. Step 2: Convert to fraction form
   10,261.53/14,160.89 = 5,545.80/x
3. Step 3: Cross multiply
   10,261.53x = 14,160.89 × 5,545.80
4. Step 4: Simplify right side
   10,261.53x = 78,533,477.63
5. Step 5: Solve for x
   x = 78,533,477.63/10,261.53
6. Step 6: Final answer
   x = 7,653.19