Finding the Fourth Proportional to 1,814,211.02, 2,503,520.78 and 998,393.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814,211.02 : 2,503,520.78 = 998,393.72 : x
2. Step 2: Convert to fraction form
   1,814,211.02/2,503,520.78 = 998,393.72/x
3. Step 3: Cross multiply
   1,814,211.02x = 2,503,520.78 × 998,393.72
4. Step 4: Simplify right side
   1,814,211.02x = 2,499,499,407,131.93
5. Step 5: Solve for x
   x = 2,499,499,407,131.93/1,814,211.02
6. Step 6: Final answer
   x = 1,377,733.56