Finding the Fourth Proportional to 12,066,140.64, 18,074,977.82 and 5,580,124.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066,140.64 : 18,074,977.82 = 5,580,124.67 : x
2. Step 2: Convert to fraction form
   12,066,140.64/18,074,977.82 = 5,580,124.67/x
3. Step 3: Cross multiply
   12,066,140.64x = 18,074,977.82 × 5,580,124.67
4. Step 4: Simplify right side
   12,066,140.64x = 100,860,629,552,709.94
5. Step 5: Solve for x
   x = 100,860,629,552,709.94/12,066,140.64
6. Step 6: Final answer
   x = 8,358,980.10