Finding the Fourth Proportional to 2,142,172.38, 3,213,269.56 and 722,240.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,172.38 : 3,213,269.56 = 722,240.76 : x
2. Step 2: Convert to fraction form
   2,142,172.38/3,213,269.56 = 722,240.76/x
3. Step 3: Cross multiply
   2,142,172.38x = 3,213,269.56 × 722,240.76
4. Step 4: Simplify right side
   2,142,172.38x = 2,320,754,249,099.27
5. Step 5: Solve for x
   x = 2,320,754,249,099.27/2,142,172.38
6. Step 6: Final answer
   x = 1,083,364.85