Finding the Fourth Proportional to 1,003.02, 1,384.04 and 560.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.02 : 1,384.04 = 560.88 : x
2. Step 2: Convert to fraction form
   1,003.02/1,384.04 = 560.88/x
3. Step 3: Cross multiply
   1,003.02x = 1,384.04 × 560.88
4. Step 4: Simplify right side
   1,003.02x = 776,280.36
5. Step 5: Solve for x
   x = 776,280.36/1,003.02
6. Step 6: Final answer
   x = 773.94