Finding the Fourth Proportional to 1,476.88, 2,215.52 and 502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.88 : 2,215.52 = 502.72 : x
2. Step 2: Convert to fraction form
   1,476.88/2,215.52 = 502.72/x
3. Step 3: Cross multiply
   1,476.88x = 2,215.52 × 502.72
4. Step 4: Simplify right side
   1,476.88x = 1,113,780.05
5. Step 5: Solve for x
   x = 1,113,780.05/1,476.88
6. Step 6: Final answer
   x = 754.15