Finding the Fourth Proportional to 2,182,185.50, 3,011,509.43 and 1,215,315.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,185.50 : 3,011,509.43 = 1,215,315.79 : x
2. Step 2: Convert to fraction form
   2,182,185.50/3,011,509.43 = 1,215,315.79/x
3. Step 3: Cross multiply
   2,182,185.50x = 3,011,509.43 × 1,215,315.79
4. Step 4: Simplify right side
   2,182,185.50x = 3,659,934,948,407.55
5. Step 5: Solve for x
   x = 3,659,934,948,407.55/2,182,185.50
6. Step 6: Final answer
   x = 1,677,187.82