Finding the Fourth Proportional to 12,139,448.33, 18,206,810.24 and 3,502,941.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,139,448.33 : 18,206,810.24 = 3,502,941.59 : x
2. Step 2: Convert to fraction form
   12,139,448.33/18,206,810.24 = 3,502,941.59/x
3. Step 3: Cross multiply
   12,139,448.33x = 18,206,810.24 × 3,502,941.59
4. Step 4: Simplify right side
   12,139,448.33x = 63,777,392,838,936.20
5. Step 5: Solve for x
   x = 63,777,392,838,936.20/12,139,448.33
6. Step 6: Final answer
   x = 5,253,730.74