Finding the Fourth Proportional to 1,814,109.55, 2,503,471.59 and 998,313.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814,109.55 : 2,503,471.59 = 998,313.22 : x
2. Step 2: Convert to fraction form
   1,814,109.55/2,503,471.59 = 998,313.22/x
3. Step 3: Cross multiply
   1,814,109.55x = 2,503,471.59 × 998,313.22
4. Step 4: Simplify right side
   1,814,109.55x = 2,499,248,787,320.76
5. Step 5: Solve for x
   x = 2,499,248,787,320.76/1,814,109.55
6. Step 6: Final answer
   x = 1,377,672.47