Finding the Fourth Proportional to 10,040,113.71, 13,855,463.78 and 5,456,434.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,040,113.71 : 13,855,463.78 = 5,456,434.95 : x
2. Step 2: Convert to fraction form
   10,040,113.71/13,855,463.78 = 5,456,434.95/x
3. Step 3: Cross multiply
   10,040,113.71x = 13,855,463.78 × 5,456,434.95
4. Step 4: Simplify right side
   10,040,113.71x = 75,601,436,790,368.94
5. Step 5: Solve for x
   x = 75,601,436,790,368.94/10,040,113.71
6. Step 6: Final answer
   x = 7,529,938.30