Finding the Fourth Proportional to 3,693.71, 5,539.72 and 1,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.71 : 5,539.72 = 1,061.16 : x
2. Step 2: Convert to fraction form
   3,693.71/5,539.72 = 1,061.16/x
3. Step 3: Cross multiply
   3,693.71x = 5,539.72 × 1,061.16
4. Step 4: Simplify right side
   3,693.71x = 5,878,529.28
5. Step 5: Solve for x
   x = 5,878,529.28/3,693.71
6. Step 6: Final answer
   x = 1,591.50