Finding the Fourth Proportional to 12,287,618.28, 18,431,693.10 and 3,767,766.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,287,618.28 : 18,431,693.10 = 3,767,766.12 : x
2. Step 2: Convert to fraction form
   12,287,618.28/18,431,693.10 = 3,767,766.12/x
3. Step 3: Cross multiply
   12,287,618.28x = 18,431,693.10 × 3,767,766.12
4. Step 4: Simplify right side
   12,287,618.28x = 69,446,308,796,417.78
5. Step 5: Solve for x
   x = 69,446,308,796,417.78/12,287,618.28
6. Step 6: Final answer
   x = 5,651,730.65