Finding the Fourth Proportional to 1,088.02, 1,501.71 and 668.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.02 : 1,501.71 = 668.59 : x
2. Step 2: Convert to fraction form
   1,088.02/1,501.71 = 668.59/x
3. Step 3: Cross multiply
   1,088.02x = 1,501.71 × 668.59
4. Step 4: Simplify right side
   1,088.02x = 1,004,030.47
5. Step 5: Solve for x
   x = 1,004,030.47/1,088.02
6. Step 6: Final answer
   x = 922.80