Finding the Fourth Proportional to 12,135,066.52, 18,205,224.72 and 3,616,089.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,135,066.52 : 18,205,224.72 = 3,616,089.16 : x
2. Step 2: Convert to fraction form
   12,135,066.52/18,205,224.72 = 3,616,089.16/x
3. Step 3: Cross multiply
   12,135,066.52x = 18,205,224.72 × 3,616,089.16
4. Step 4: Simplify right side
   12,135,066.52x = 65,831,715,765,356.03
5. Step 5: Solve for x
   x = 65,831,715,765,356.03/12,135,066.52
6. Step 6: Final answer
   x = 5,424,915.94