Finding the Fourth Proportional to 10,003,146.12, 13,804,355.34 and 5,419,467.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003,146.12 : 13,804,355.34 = 5,419,467.60 : x
2. Step 2: Convert to fraction form
   10,003,146.12/13,804,355.34 = 5,419,467.60/x
3. Step 3: Cross multiply
   10,003,146.12x = 13,804,355.34 × 5,419,467.60
4. Step 4: Simplify right side
   10,003,146.12x = 74,812,256,504,016.98
5. Step 5: Solve for x
   x = 74,812,256,504,016.98/10,003,146.12
6. Step 6: Final answer
   x = 7,478,872.71