Finding the Fourth Proportional to 1,534.49, 2,117.23 and 1,061.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,534.49 : 2,117.23 = 1,061.61 : x
2. Step 2: Convert to fraction form
   1,534.49/2,117.23 = 1,061.61/x
3. Step 3: Cross multiply
   1,534.49x = 2,117.23 × 1,061.61
4. Step 4: Simplify right side
   1,534.49x = 2,247,667.17
5. Step 5: Solve for x
   x = 2,247,667.17/1,534.49
6. Step 6: Final answer
   x = 1,464.77