Finding the Fourth Proportional to 1,117.04, 1,541.52 and 651.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117.04 : 1,541.52 = 651.28 : x
2. Step 2: Convert to fraction form
   1,117.04/1,541.52 = 651.28/x
3. Step 3: Cross multiply
   1,117.04x = 1,541.52 × 651.28
4. Step 4: Simplify right side
   1,117.04x = 1,003,961.15
5. Step 5: Solve for x
   x = 1,003,961.15/1,117.04
6. Step 6: Final answer
   x = 898.77