Finding the Fourth Proportional to 2,333,912.16, 3,216,401.76 and 1,688,237.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333,912.16 : 3,216,401.76 = 1,688,237.28 : x
2. Step 2: Convert to fraction form
   2,333,912.16/3,216,401.76 = 1,688,237.28/x
3. Step 3: Cross multiply
   2,333,912.16x = 3,216,401.76 × 1,688,237.28
4. Step 4: Simplify right side
   2,333,912.16x = 5,430,049,358,689.61
5. Step 5: Solve for x
   x = 5,430,049,358,689.61/2,333,912.16
6. Step 6: Final answer
   x = 2,326,586.86