Finding the Fourth Proportional to 12,141,540.32, 16,757,034.47 and 7,729,856.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141,540.32 : 16,757,034.47 = 7,729,856.56 : x
2. Step 2: Convert to fraction form
   12,141,540.32/16,757,034.47 = 7,729,856.56/x
3. Step 3: Cross multiply
   12,141,540.32x = 16,757,034.47 × 7,729,856.56
4. Step 4: Simplify right side
   12,141,540.32x = 129,529,472,824,075.62
5. Step 5: Solve for x
   x = 129,529,472,824,075.62/12,141,540.32
6. Step 6: Final answer
   x = 10,668,289.97