Finding the Fourth Proportional to 2,222.04, 3,061.02 and 1,557.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.04 : 3,061.02 = 1,557.60 : x
2. Step 2: Convert to fraction form
   2,222.04/3,061.02 = 1,557.60/x
3. Step 3: Cross multiply
   2,222.04x = 3,061.02 × 1,557.60
4. Step 4: Simplify right side
   2,222.04x = 4,767,844.75
5. Step 5: Solve for x
   x = 4,767,844.75/2,222.04
6. Step 6: Final answer
   x = 2,145.71