Finding the Fourth Proportional to 1,562.09, 2,331.59 and 1,377.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.09 : 2,331.59 = 1,377.61 : x
2. Step 2: Convert to fraction form
   1,562.09/2,331.59 = 1,377.61/x
3. Step 3: Cross multiply
   1,562.09x = 2,331.59 × 1,377.61
4. Step 4: Simplify right side
   1,562.09x = 3,212,008.98
5. Step 5: Solve for x
   x = 3,212,008.98/1,562.09
6. Step 6: Final answer
   x = 2,056.23