Finding the Fourth Proportional to 19,156,520.72, 26,436,613.32 and 10,896,369.68

Step by Step Solution

1. Step 1: Write the proportion equation
   19,156,520.72 : 26,436,613.32 = 10,896,369.68 : x
2. Step 2: Convert to fraction form
   19,156,520.72/26,436,613.32 = 10,896,369.68/x
3. Step 3: Cross multiply
   19,156,520.72x = 26,436,613.32 × 10,896,369.68
4. Step 4: Simplify right side
   19,156,520.72x = 288,063,111,821,932.12
5. Step 5: Solve for x
   x = 288,063,111,821,932.12/19,156,520.72
6. Step 6: Final answer
   x = 15,037,339.82