Finding the Fourth Proportional to 12,789,255.39, 19,183,856.43 and 5,114,693.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789,255.39 : 19,183,856.43 = 5,114,693.77 : x
2. Step 2: Convert to fraction form
   12,789,255.39/19,183,856.43 = 5,114,693.77/x
3. Step 3: Cross multiply
   12,789,255.39x = 19,183,856.43 × 5,114,693.77
4. Step 4: Simplify right side
   12,789,255.39x = 98,119,550,938,315.91
5. Step 5: Solve for x
   x = 98,119,550,938,315.91/12,789,255.39
6. Step 6: Final answer
   x = 7,672,029.99