Finding the Fourth Proportional to 9,905,334.41, 14,859,019.71 and 3,428,399.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905,334.41 : 14,859,019.71 = 3,428,399.18 : x
2. Step 2: Convert to fraction form
   9,905,334.41/14,859,019.71 = 3,428,399.18/x
3. Step 3: Cross multiply
   9,905,334.41x = 14,859,019.71 × 3,428,399.18
4. Step 4: Simplify right side
   9,905,334.41x = 50,942,650,915,072.74
5. Step 5: Solve for x
   x = 50,942,650,915,072.74/9,905,334.41
6. Step 6: Final answer
   x = 5,142,951.14