Finding the Fourth Proportional to 1,061.58, 1,592.34 and 631.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.58 : 1,592.34 = 631.44 : x
2. Step 2: Convert to fraction form
   1,061.58/1,592.34 = 631.44/x
3. Step 3: Cross multiply
   1,061.58x = 1,592.34 × 631.44
4. Step 4: Simplify right side
   1,061.58x = 1,005,467.17
5. Step 5: Solve for x
   x = 1,005,467.17/1,061.58
6. Step 6: Final answer
   x = 947.14