Finding the Fourth Proportional to 17,476,740.57, 24,128,234.72 and 15,537,633.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,476,740.57 : 24,128,234.72 = 15,537,633.37 : x
2. Step 2: Convert to fraction form
   17,476,740.57/24,128,234.72 = 15,537,633.37/x
3. Step 3: Cross multiply
   17,476,740.57x = 24,128,234.72 × 15,537,633.37
4. Step 4: Simplify right side
   17,476,740.57x = 374,895,664,944,664.56
5. Step 5: Solve for x
   x = 374,895,664,944,664.56/17,476,740.57
6. Step 6: Final answer
   x = 21,451,120.33