Finding the Fourth Proportional to 2,173,112.29, 2,998,744.86 and 1,206,166.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,112.29 : 2,998,744.86 = 1,206,166.47 : x
2. Step 2: Convert to fraction form
   2,173,112.29/2,998,744.86 = 1,206,166.47/x
3. Step 3: Cross multiply
   2,173,112.29x = 2,998,744.86 × 1,206,166.47
4. Step 4: Simplify right side
   2,173,112.29x = 3,616,985,490,199.86
5. Step 5: Solve for x
   x = 3,616,985,490,199.86/2,173,112.29
6. Step 6: Final answer
   x = 1,664,426.41