Finding the Fourth Proportional to 1,879,118.56, 2,592,099.12 and 1,199,288.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879,118.56 : 2,592,099.12 = 1,199,288.80 : x
2. Step 2: Convert to fraction form
   1,879,118.56/2,592,099.12 = 1,199,288.80/x
3. Step 3: Cross multiply
   1,879,118.56x = 2,592,099.12 × 1,199,288.80
4. Step 4: Simplify right side
   1,879,118.56x = 3,108,675,443,105.86
5. Step 5: Solve for x
   x = 3,108,675,443,105.86/1,879,118.56
6. Step 6: Final answer
   x = 1,654,326.40