Finding the Fourth Proportional to 7,648,155.72, 11,483,540.38 and 5,105,214.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,648,155.72 : 11,483,540.38 = 5,105,214.18 : x
2. Step 2: Convert to fraction form
   7,648,155.72/11,483,540.38 = 5,105,214.18/x
3. Step 3: Cross multiply
   7,648,155.72x = 11,483,540.38 × 5,105,214.18
4. Step 4: Simplify right side
   7,648,155.72x = 58,625,933,184,578.59
5. Step 5: Solve for x
   x = 58,625,933,184,578.59/7,648,155.72
6. Step 6: Final answer
   x = 7,665,368.66