Finding the Fourth Proportional to 1,535.04, 2,118.80 and 975.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.04 : 2,118.80 = 975.52 : x
2. Step 2: Convert to fraction form
   1,535.04/2,118.80 = 975.52/x
3. Step 3: Cross multiply
   1,535.04x = 2,118.80 × 975.52
4. Step 4: Simplify right side
   1,535.04x = 2,066,931.78
5. Step 5: Solve for x
   x = 2,066,931.78/1,535.04
6. Step 6: Final answer
   x = 1,346.50