Finding the Fourth Proportional to 2,142,174.38, 3,213,272.56 and 722,242.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,174.38 : 3,213,272.56 = 722,242.76 : x
2. Step 2: Convert to fraction form
   2,142,174.38/3,213,272.56 = 722,242.76/x
3. Step 3: Cross multiply
   2,142,174.38x = 3,213,272.56 × 722,242.76
4. Step 4: Simplify right side
   2,142,174.38x = 2,320,762,842,366.67
5. Step 5: Solve for x
   x = 2,320,762,842,366.67/2,142,174.38
6. Step 6: Final answer
   x = 1,083,367.85