Finding the Fourth Proportional to 2,215,237.30, 3,057,030.20 and 1,196,642.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,237.30 : 3,057,030.20 = 1,196,642.05 : x
2. Step 2: Convert to fraction form
   2,215,237.30/3,057,030.20 = 1,196,642.05/x
3. Step 3: Cross multiply
   2,215,237.30x = 3,057,030.20 × 1,196,642.05
4. Step 4: Simplify right side
   2,215,237.30x = 3,658,170,885,439.91
5. Step 5: Solve for x
   x = 3,658,170,885,439.91/2,215,237.30
6. Step 6: Final answer
   x = 1,651,367.50