Finding the Fourth Proportional to 1,111.04, 1,666.88 and 462.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.04 : 1,666.88 = 462.24 : x
2. Step 2: Convert to fraction form
   1,111.04/1,666.88 = 462.24/x
3. Step 3: Cross multiply
   1,111.04x = 1,666.88 × 462.24
4. Step 4: Simplify right side
   1,111.04x = 770,498.61
5. Step 5: Solve for x
   x = 770,498.61/1,111.04
6. Step 6: Final answer
   x = 693.49