Finding the Fourth Proportional to 2,329,718.76, 3,215,005.20 and 1,311,123.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329,718.76 : 3,215,005.20 = 1,311,123.48 : x
2. Step 2: Convert to fraction form
   2,329,718.76/3,215,005.20 = 1,311,123.48/x
3. Step 3: Cross multiply
   2,329,718.76x = 3,215,005.20 × 1,311,123.48
4. Step 4: Simplify right side
   2,329,718.76x = 4,215,268,806,042.10
5. Step 5: Solve for x
   x = 4,215,268,806,042.10/2,329,718.76
6. Step 6: Final answer
   x = 1,809,346.64