Finding the Fourth Proportional to 2,173,049.88, 3,260,066.90 and 1,161,638.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,049.88 : 3,260,066.90 = 1,161,638.93 : x
2. Step 2: Convert to fraction form
   2,173,049.88/3,260,066.90 = 1,161,638.93/x
3. Step 3: Cross multiply
   2,173,049.88x = 3,260,066.90 × 1,161,638.93
4. Step 4: Simplify right side
   2,173,049.88x = 3,787,020,603,335.89
5. Step 5: Solve for x
   x = 3,787,020,603,335.89/2,173,049.88
6. Step 6: Final answer
   x = 1,742,721.43