Finding the Fourth Proportional to 10,557,330, 14,569,115.40 and 5,728,434

Step by Step Solution

1. Step 1: Write the proportion equation
   10,557,330 : 14,569,115.40 = 5,728,434 : x
2. Step 2: Convert to fraction form
   10,557,330/14,569,115.40 = 5,728,434/x
3. Step 3: Cross multiply
   10,557,330x = 14,569,115.40 × 5,728,434
4. Step 4: Simplify right side
   10,557,330x = 83,458,216,007,283.61
5. Step 5: Solve for x
   x = 83,458,216,007,283.61/10,557,330
6. Step 6: Final answer
   x = 7,905,238.92