Finding the Fourth Proportional to 2,138,517.96, 2,951,154.72 and 1,171,684.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,517.96 : 2,951,154.72 = 1,171,684.86 : x
2. Step 2: Convert to fraction form
   2,138,517.96/2,951,154.72 = 1,171,684.86/x
3. Step 3: Cross multiply
   2,138,517.96x = 2,951,154.72 × 1,171,684.86
4. Step 4: Simplify right side
   2,138,517.96x = 3,457,823,304,941.54
5. Step 5: Solve for x
   x = 3,457,823,304,941.54/2,138,517.96
6. Step 6: Final answer
   x = 1,616,925.07