Finding the Fourth Proportional to 9,619,678.24, 13,274,473.10 and 5,488,741.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,619,678.24 : 13,274,473.10 = 5,488,741.42 : x
2. Step 2: Convert to fraction form
   9,619,678.24/13,274,473.10 = 5,488,741.42/x
3. Step 3: Cross multiply
   9,619,678.24x = 13,274,473.10 × 5,488,741.42
4. Step 4: Simplify right side
   9,619,678.24x = 72,860,150,332,645.80
5. Step 5: Solve for x
   x = 72,860,150,332,645.80/9,619,678.24
6. Step 6: Final answer
   x = 7,574,073.53