Finding the Fourth Proportional to 2,155,042.29, 3,234,667.06 and 1,779,785.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,042.29 : 3,234,667.06 = 1,779,785.90 : x
2. Step 2: Convert to fraction form
   2,155,042.29/3,234,667.06 = 1,779,785.90/x
3. Step 3: Cross multiply
   2,155,042.29x = 3,234,667.06 × 1,779,785.90
4. Step 4: Simplify right side
   2,155,042.29x = 5,757,014,824,582.45
5. Step 5: Solve for x
   x = 5,757,014,824,582.45/2,155,042.29
6. Step 6: Final answer
   x = 2,671,416.17