Finding the Fourth Proportional to 10,510.91, 14,505.21 and 5,730.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.91 : 14,505.21 = 5,730.86 : x
2. Step 2: Convert to fraction form
   10,510.91/14,505.21 = 5,730.86/x
3. Step 3: Cross multiply
   10,510.91x = 14,505.21 × 5,730.86
4. Step 4: Simplify right side
   10,510.91x = 83,127,255.25
5. Step 5: Solve for x
   x = 83,127,255.25/10,510.91
6. Step 6: Final answer
   x = 7,908.67