Finding the Fourth Proportional to 12,015,918.24, 18,024,985.50 and 3,928,935.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,015,918.24 : 18,024,985.50 = 3,928,935.34 : x
2. Step 2: Convert to fraction form
   12,015,918.24/18,024,985.50 = 3,928,935.34/x
3. Step 3: Cross multiply
   12,015,918.24x = 18,024,985.50 × 3,928,935.34
4. Step 4: Simplify right side
   12,015,918.24x = 70,819,002,533,937.56
5. Step 5: Solve for x
   x = 70,819,002,533,937.56/12,015,918.24
6. Step 6: Final answer
   x = 5,893,765.35