Finding the Fourth Proportional to 1,377.61, 2,054.06 and 1,353.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.61 : 2,054.06 = 1,353.00 : x
2. Step 2: Convert to fraction form
   1,377.61/2,054.06 = 1,353.00/x
3. Step 3: Cross multiply
   1,377.61x = 2,054.06 × 1,353.00
4. Step 4: Simplify right side
   1,377.61x = 2,779,149.19
5. Step 5: Solve for x
   x = 2,779,149.19/1,377.61
6. Step 6: Final answer
   x = 2,017.37