Finding the Fourth Proportional to 2,487,642.72, 3,731,451.78 and 971,479.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,642.72 : 3,731,451.78 = 971,479.62 : x
2. Step 2: Convert to fraction form
   2,487,642.72/3,731,451.78 = 971,479.62/x
3. Step 3: Cross multiply
   2,487,642.72x = 3,731,451.78 × 971,479.62
4. Step 4: Simplify right side
   2,487,642.72x = 3,625,029,357,282.72
5. Step 5: Solve for x
   x = 3,625,029,357,282.72/2,487,642.72
6. Step 6: Final answer
   x = 1,457,214.63