Finding the Fourth Proportional to 3,113.31, 4,670.71 and 1,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,113.31 : 4,670.71 = 1,061.31 : x
2. Step 2: Convert to fraction form
   3,113.31/4,670.71 = 1,061.31/x
3. Step 3: Cross multiply
   3,113.31x = 4,670.71 × 1,061.31
4. Step 4: Simplify right side
   3,113.31x = 4,957,081.58
5. Step 5: Solve for x
   x = 4,957,081.58/3,113.31
6. Step 6: Final answer
   x = 1,592.22