Finding the Fourth Proportional to 2,210,250.57, 3,315,376.61 and 994,407.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,250.57 : 3,315,376.61 = 994,407.21 : x
2. Step 2: Convert to fraction form
   2,210,250.57/3,315,376.61 = 994,407.21/x
3. Step 3: Cross multiply
   2,210,250.57x = 3,315,376.61 × 994,407.21
4. Step 4: Simplify right side
   2,210,250.57x = 3,296,834,399,877.32
5. Step 5: Solve for x
   x = 3,296,834,399,877.32/2,210,250.57
6. Step 6: Final answer
   x = 1,491,611.15