Finding the Fourth Proportional to 1,110.71, 1,665.00 and 555.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110.71 : 1,665.00 = 555.05 : x
2. Step 2: Convert to fraction form
   1,110.71/1,665.00 = 555.05/x
3. Step 3: Cross multiply
   1,110.71x = 1,665.00 × 555.05
4. Step 4: Simplify right side
   1,110.71x = 924,147.15
5. Step 5: Solve for x
   x = 924,147.15/1,110.71
6. Step 6: Final answer
   x = 832.04