Finding the Fourth Proportional to 12,723,460.38, 19,086,964.47 and 4,087,822.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,723,460.38 : 19,086,964.47 = 4,087,822.37 : x
2. Step 2: Convert to fraction form
   12,723,460.38/19,086,964.47 = 4,087,822.37/x
3. Step 3: Cross multiply
   12,723,460.38x = 19,086,964.47 × 4,087,822.37
4. Step 4: Simplify right side
   12,723,460.38x = 78,024,120,240,426.38
5. Step 5: Solve for x
   x = 78,024,120,240,426.38/12,723,460.38
6. Step 6: Final answer
   x = 6,132,303.47