Finding the Fourth Proportional to 13,258,821.52, 19,888,175.52 and 3,674,172.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,258,821.52 : 19,888,175.52 = 3,674,172.48 : x
2. Step 2: Convert to fraction form
   13,258,821.52/19,888,175.52 = 3,674,172.48/x
3. Step 3: Cross multiply
   13,258,821.52x = 19,888,175.52 × 3,674,172.48
4. Step 4: Simplify right side
   13,258,821.52x = 73,072,587,172,993.69
5. Step 5: Solve for x
   x = 73,072,587,172,993.69/13,258,821.52
6. Step 6: Final answer
   x = 5,511,242.99