Finding the Fourth Proportional to 11,445,744, 17,183,184.30 and 7,419,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,445,744 : 17,183,184.30 = 7,419,081.72 : x
2. Step 2: Convert to fraction form
   11,445,744/17,183,184.30 = 7,419,081.72/x
3. Step 3: Cross multiply
   11,445,744x = 17,183,184.30 × 7,419,081.72
4. Step 4: Simplify right side
   11,445,744x = 127,483,448,531,521
5. Step 5: Solve for x
   x = 127,483,448,531,521/11,445,744
6. Step 6: Final answer
   x = 11,138,065.69