Finding the Fourth Proportional to 2,123,111.15, 2,930,135.42 and 1,263,674.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,111.15 : 2,930,135.42 = 1,263,674.15 : x
2. Step 2: Convert to fraction form
   2,123,111.15/2,930,135.42 = 1,263,674.15/x
3. Step 3: Cross multiply
   2,123,111.15x = 2,930,135.42 × 1,263,674.15
4. Step 4: Simplify right side
   2,123,111.15x = 3,702,736,386,253.39
5. Step 5: Solve for x
   x = 3,702,736,386,253.39/2,123,111.15
6. Step 6: Final answer
   x = 1,744,014.38