Finding the Fourth Proportional to 10,499.31, 15,752.61 and 4,660.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.31 : 15,752.61 = 4,660.02 : x
2. Step 2: Convert to fraction form
   10,499.31/15,752.61 = 4,660.02/x
3. Step 3: Cross multiply
   10,499.31x = 15,752.61 × 4,660.02
4. Step 4: Simplify right side
   10,499.31x = 73,407,477.65
5. Step 5: Solve for x
   x = 73,407,477.65/10,499.31
6. Step 6: Final answer
   x = 6,991.65