Finding the Fourth Proportional to 1,300.52, 1,951.52 and 478.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.52 : 1,951.52 = 478.68 : x
2. Step 2: Convert to fraction form
   1,300.52/1,951.52 = 478.68/x
3. Step 3: Cross multiply
   1,300.52x = 1,951.52 × 478.68
4. Step 4: Simplify right side
   1,300.52x = 934,151.20
5. Step 5: Solve for x
   x = 934,151.20/1,300.52
6. Step 6: Final answer
   x = 718.29