Finding the Fourth Proportional to 1,061.56, 1,592.34 and 292.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.56 : 1,592.34 = 292.12 : x
2. Step 2: Convert to fraction form
   1,061.56/1,592.34 = 292.12/x
3. Step 3: Cross multiply
   1,061.56x = 1,592.34 × 292.12
4. Step 4: Simplify right side
   1,061.56x = 465,154.36
5. Step 5: Solve for x
   x = 465,154.36/1,061.56
6. Step 6: Final answer
   x = 438.18