Finding the Fourth Proportional to 1,026.16, 1,535.60 and 751.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026.16 : 1,535.60 = 751.57 : x
2. Step 2: Convert to fraction form
   1,026.16/1,535.60 = 751.57/x
3. Step 3: Cross multiply
   1,026.16x = 1,535.60 × 751.57
4. Step 4: Simplify right side
   1,026.16x = 1,154,113.34
5. Step 5: Solve for x
   x = 1,154,113.34/1,026.16
6. Step 6: Final answer
   x = 1,124.69