Finding the Fourth Proportional to 1,471.86, 2,206.17 and 924.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.86 : 2,206.17 = 924.30 : x
2. Step 2: Convert to fraction form
   1,471.86/2,206.17 = 924.30/x
3. Step 3: Cross multiply
   1,471.86x = 2,206.17 × 924.30
4. Step 4: Simplify right side
   1,471.86x = 2,039,162.93
5. Step 5: Solve for x
   x = 2,039,162.93/1,471.86
6. Step 6: Final answer
   x = 1,385.43