Finding the Fourth Proportional to 12,274,078.50, 18,411,856.07 and 3,754,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274,078.50 : 18,411,856.07 = 3,754,488.78 : x
2. Step 2: Convert to fraction form
   12,274,078.50/18,411,856.07 = 3,754,488.78/x
3. Step 3: Cross multiply
   12,274,078.50x = 18,411,856.07 × 3,754,488.78
4. Step 4: Simplify right side
   12,274,078.50x = 69,127,107,015,017.45
5. Step 5: Solve for x
   x = 69,127,107,015,017.45/12,274,078.50
6. Step 6: Final answer
   x = 5,631,959.01