Finding the Fourth Proportional to 13,300,240.50, 18,354,339.75 and 7,419,874.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300,240.50 : 18,354,339.75 = 7,419,874.71 : x
2. Step 2: Convert to fraction form
   13,300,240.50/18,354,339.75 = 7,419,874.71/x
3. Step 3: Cross multiply
   13,300,240.50x = 18,354,339.75 × 7,419,874.71
4. Step 4: Simplify right side
   13,300,240.50x = 136,186,901,329,772.72
5. Step 5: Solve for x
   x = 136,186,901,329,772.72/13,300,240.50
6. Step 6: Final answer
   x = 10,239,431.48