Finding the Fourth Proportional to 3,922,958.57, 5,413,747.57 and 2,156,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922,958.57 : 5,413,747.57 = 2,156,931.50 : x
2. Step 2: Convert to fraction form
   3,922,958.57/5,413,747.57 = 2,156,931.50/x
3. Step 3: Cross multiply
   3,922,958.57x = 5,413,747.57 × 2,156,931.50
4. Step 4: Simplify right side
   3,922,958.57x = 11,677,082,666,781.46
5. Step 5: Solve for x
   x = 11,677,082,666,781.46/3,922,958.57
6. Step 6: Final answer
   x = 2,976,601.07