Finding the Fourth Proportional to 2,251,462.30, 3,106,980.88 and 1,218,961.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251,462.30 : 3,106,980.88 = 1,218,961.83 : x
2. Step 2: Convert to fraction form
   2,251,462.30/3,106,980.88 = 1,218,961.83/x
3. Step 3: Cross multiply
   2,251,462.30x = 3,106,980.88 × 1,218,961.83
4. Step 4: Simplify right side
   2,251,462.30x = 3,787,291,099,259.81
5. Step 5: Solve for x
   x = 3,787,291,099,259.81/2,251,462.30
6. Step 6: Final answer
   x = 1,682,147.24