Finding the Fourth Proportional to 1,071.50, 1,478.68 and 651.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.50 : 1,478.68 = 651.82 : x
2. Step 2: Convert to fraction form
   1,071.50/1,478.68 = 651.82/x
3. Step 3: Cross multiply
   1,071.50x = 1,478.68 × 651.82
4. Step 4: Simplify right side
   1,071.50x = 963,833.20
5. Step 5: Solve for x
   x = 963,833.20/1,071.50
6. Step 6: Final answer
   x = 899.52