Finding the Fourth Proportional to 21,002,815.50, 31,509,536.85 and 5,856,748.62

Step by Step Solution

1. Step 1: Write the proportion equation
   21,002,815.50 : 31,509,536.85 = 5,856,748.62 : x
2. Step 2: Convert to fraction form
   21,002,815.50/31,509,536.85 = 5,856,748.62/x
3. Step 3: Cross multiply
   21,002,815.50x = 31,509,536.85 × 5,856,748.62
4. Step 4: Simplify right side
   21,002,815.50x = 184,543,436,463,076.66
5. Step 5: Solve for x
   x = 184,543,436,463,076.66/21,002,815.50
6. Step 6: Final answer
   x = 8,786,604.66