Finding the Fourth Proportional to 10,572.19, 15,838.71 and 5,301.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,572.19 : 15,838.71 = 5,301.05 : x
2. Step 2: Convert to fraction form
   10,572.19/15,838.71 = 5,301.05/x
3. Step 3: Cross multiply
   10,572.19x = 15,838.71 × 5,301.05
4. Step 4: Simplify right side
   10,572.19x = 83,961,793.65
5. Step 5: Solve for x
   x = 83,961,793.65/10,572.19
6. Step 6: Final answer
   x = 7,941.76