Finding the Fourth Proportional to 1,071.27, 1,478.41 and 651.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.27 : 1,478.41 = 651.56 : x
2. Step 2: Convert to fraction form
   1,071.27/1,478.41 = 651.56/x
3. Step 3: Cross multiply
   1,071.27x = 1,478.41 × 651.56
4. Step 4: Simplify right side
   1,071.27x = 963,263.80
5. Step 5: Solve for x
   x = 963,263.80/1,071.27
6. Step 6: Final answer
   x = 899.18