Finding the Fourth Proportional to 12,240,922.05, 18,362,074.28 and 3,721,536.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,240,922.05 : 18,362,074.28 = 3,721,536.45 : x
2. Step 2: Convert to fraction form
   12,240,922.05/18,362,074.28 = 3,721,536.45/x
3. Step 3: Cross multiply
   12,240,922.05x = 18,362,074.28 × 3,721,536.45
4. Step 4: Simplify right side
   12,240,922.05x = 68,335,128,712,019.82
5. Step 5: Solve for x
   x = 68,335,128,712,019.82/12,240,922.05
6. Step 6: Final answer
   x = 5,582,514.82