Finding the Fourth Proportional to 10,065.71, 15,099.31 and 2,670.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.71 : 15,099.31 = 2,670.00 : x
2. Step 2: Convert to fraction form
   10,065.71/15,099.31 = 2,670.00/x
3. Step 3: Cross multiply
   10,065.71x = 15,099.31 × 2,670.00
4. Step 4: Simplify right side
   10,065.71x = 40,315,182.10
5. Step 5: Solve for x
   x = 40,315,182.10/10,065.71
6. Step 6: Final answer
   x = 4,005.20