Finding the Fourth Proportional to 2,263,143.72, 3,123,043.32 and 1,283,148.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263,143.72 : 3,123,043.32 = 1,283,148.72 : x
2. Step 2: Convert to fraction form
   2,263,143.72/3,123,043.32 = 1,283,148.72/x
3. Step 3: Cross multiply
   2,263,143.72x = 3,123,043.32 × 1,283,148.72
4. Step 4: Simplify right side
   2,263,143.72x = 4,007,329,038,562.55
5. Step 5: Solve for x
   x = 4,007,329,038,562.55/2,263,143.72
6. Step 6: Final answer
   x = 1,770,691.36