Finding the Fourth Proportional to 2,218,820.19, 3,062,019.65 and 1,225,384.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,820.19 : 3,062,019.65 = 1,225,384.89 : x
2. Step 2: Convert to fraction form
   2,218,820.19/3,062,019.65 = 1,225,384.89/x
3. Step 3: Cross multiply
   2,218,820.19x = 3,062,019.65 × 1,225,384.89
4. Step 4: Simplify right side
   2,218,820.19x = 3,752,152,594,383.59
5. Step 5: Solve for x
   x = 3,752,152,594,383.59/2,218,820.19
6. Step 6: Final answer
   x = 1,691,057.53