Finding the Fourth Proportional to 2,156,478.27, 3,233,503.62 and 716,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,478.27 : 3,233,503.62 = 716,390.72 : x
2. Step 2: Convert to fraction form
   2,156,478.27/3,233,503.62 = 716,390.72/x
3. Step 3: Cross multiply
   2,156,478.27x = 3,233,503.62 × 716,390.72
4. Step 4: Simplify right side
   2,156,478.27x = 2,316,451,970,286.89
5. Step 5: Solve for x
   x = 2,316,451,970,286.89/2,156,478.27
6. Step 6: Final answer
   x = 1,074,182.85