Finding the Fourth Proportional to 18,604,290.16, 25,668,150.24 and 10,863,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,604,290.16 : 25,668,150.24 = 10,863,748.72 : x
2. Step 2: Convert to fraction form
   18,604,290.16/25,668,150.24 = 10,863,748.72/x
3. Step 3: Cross multiply
   18,604,290.16x = 25,668,150.24 × 10,863,748.72
4. Step 4: Simplify right side
   18,604,290.16x = 278,852,334,314,567.69
5. Step 5: Solve for x
   x = 278,852,334,314,567.69/18,604,290.16
6. Step 6: Final answer
   x = 14,988,603.81