Finding the Fourth Proportional to 1,070.94, 1,478.01 and 651.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070.94 : 1,478.01 = 651.31 : x
2. Step 2: Convert to fraction form
   1,070.94/1,478.01 = 651.31/x
3. Step 3: Cross multiply
   1,070.94x = 1,478.01 × 651.31
4. Step 4: Simplify right side
   1,070.94x = 962,642.69
5. Step 5: Solve for x
   x = 962,642.69/1,070.94
6. Step 6: Final answer
   x = 898.88