Finding the Fourth Proportional to 10,105,888.90, 15,163,613.98 and 5,245,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105,888.90 : 15,163,613.98 = 5,245,612.42 : x
2. Step 2: Convert to fraction form
   10,105,888.90/15,163,613.98 = 5,245,612.42/x
3. Step 3: Cross multiply
   10,105,888.90x = 15,163,613.98 × 5,245,612.42
4. Step 4: Simplify right side
   10,105,888.90x = 79,542,441,825,573.64
5. Step 5: Solve for x
   x = 79,542,441,825,573.64/10,105,888.90
6. Step 6: Final answer
   x = 7,870,900.09