Finding the Fourth Proportional to 2,126,124.42, 3,187,380.33 and 989,546.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,124.42 : 3,187,380.33 = 989,546.64 : x
2. Step 2: Convert to fraction form
   2,126,124.42/3,187,380.33 = 989,546.64/x
3. Step 3: Cross multiply
   2,126,124.42x = 3,187,380.33 × 989,546.64
4. Step 4: Simplify right side
   2,126,124.42x = 3,154,061,495,953.59
5. Step 5: Solve for x
   x = 3,154,061,495,953.59/2,126,124.42
6. Step 6: Final answer
   x = 1,483,479.27