Finding the Fourth Proportional to 1,762.71, 2,430.61 and 1,099.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.71 : 2,430.61 = 1,099.32 : x
2. Step 2: Convert to fraction form
   1,762.71/2,430.61 = 1,099.32/x
3. Step 3: Cross multiply
   1,762.71x = 2,430.61 × 1,099.32
4. Step 4: Simplify right side
   1,762.71x = 2,672,018.19
5. Step 5: Solve for x
   x = 2,672,018.19/1,762.71
6. Step 6: Final answer
   x = 1,515.86