Finding the Fourth Proportional to 1,558.09, 2,148.41 and 1,061.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.09 : 2,148.41 = 1,061.02 : x
2. Step 2: Convert to fraction form
   1,558.09/2,148.41 = 1,061.02/x
3. Step 3: Cross multiply
   1,558.09x = 2,148.41 × 1,061.02
4. Step 4: Simplify right side
   1,558.09x = 2,279,505.98
5. Step 5: Solve for x
   x = 2,279,505.98/1,558.09
6. Step 6: Final answer
   x = 1,463.01