Finding the Fourth Proportional to 2,638,013.64, 3,956,308.55 and 931,932.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,013.64 : 3,956,308.55 = 931,932.33 : x
2. Step 2: Convert to fraction form
   2,638,013.64/3,956,308.55 = 931,932.33/x
3. Step 3: Cross multiply
   2,638,013.64x = 3,956,308.55 × 931,932.33
4. Step 4: Simplify right side
   2,638,013.64x = 3,687,011,840,540.76
5. Step 5: Solve for x
   x = 3,687,011,840,540.76/2,638,013.64
6. Step 6: Final answer
   x = 1,397,647.00