Finding the Fourth Proportional to 2,152,494, 2,970,441.72 and 1,247,600.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,494 : 2,970,441.72 = 1,247,600.88 : x
2. Step 2: Convert to fraction form
   2,152,494/2,970,441.72 = 1,247,600.88/x
3. Step 3: Cross multiply
   2,152,494x = 2,970,441.72 × 1,247,600.88
4. Step 4: Simplify right side
   2,152,494x = 3,705,925,703,860.71
5. Step 5: Solve for x
   x = 3,705,925,703,860.71/2,152,494
6. Step 6: Final answer
   x = 1,721,689.21