Finding the Fourth Proportional to 2,956,320.72, 4,434,473.52 and 712,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956,320.72 : 4,434,473.52 = 712,458.72 : x
2. Step 2: Convert to fraction form
   2,956,320.72/4,434,473.52 = 712,458.72/x
3. Step 3: Cross multiply
   2,956,320.72x = 4,434,473.52 × 712,458.72
4. Step 4: Simplify right side
   2,956,320.72x = 3,159,379,327,933.09
5. Step 5: Solve for x
   x = 3,159,379,327,933.09/2,956,320.72
6. Step 6: Final answer
   x = 1,068,686.26