Finding the Fourth Proportional to 2,182,337.86, 3,011,719.72 and 1,215,468.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,337.86 : 3,011,719.72 = 1,215,468.40 : x
2. Step 2: Convert to fraction form
   2,182,337.86/3,011,719.72 = 1,215,468.40/x
3. Step 3: Cross multiply
   2,182,337.86x = 3,011,719.72 × 1,215,468.40
4. Step 4: Simplify right side
   2,182,337.86x = 3,660,650,149,316.85
5. Step 5: Solve for x
   x = 3,660,650,149,316.85/2,182,337.86
6. Step 6: Final answer
   x = 1,677,398.45