Finding the Fourth Proportional to 10,260.81, 14,159.93 and 5,545.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,260.81 : 14,159.93 = 5,545.10 : x
2. Step 2: Convert to fraction form
   10,260.81/14,159.93 = 5,545.10/x
3. Step 3: Cross multiply
   10,260.81x = 14,159.93 × 5,545.10
4. Step 4: Simplify right side
   10,260.81x = 78,518,129.32
5. Step 5: Solve for x
   x = 78,518,129.32/10,260.81
6. Step 6: Final answer
   x = 7,652.23