Finding the Fourth Proportional to 1,662.24, 2,490.16 and 929.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.24 : 2,490.16 = 929.59 : x
2. Step 2: Convert to fraction form
   1,662.24/2,490.16 = 929.59/x
3. Step 3: Cross multiply
   1,662.24x = 2,490.16 × 929.59
4. Step 4: Simplify right side
   1,662.24x = 2,314,827.83
5. Step 5: Solve for x
   x = 2,314,827.83/1,662.24
6. Step 6: Final answer
   x = 1,392.60