Finding the Fourth Proportional to 2,912.61, 4,365.02 and 1,061.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.61 : 4,365.02 = 1,061.99 : x
2. Step 2: Convert to fraction form
   2,912.61/4,365.02 = 1,061.99/x
3. Step 3: Cross multiply
   2,912.61x = 4,365.02 × 1,061.99
4. Step 4: Simplify right side
   2,912.61x = 4,635,588.42
5. Step 5: Solve for x
   x = 4,635,588.42/2,912.61
6. Step 6: Final answer
   x = 1,591.56