Finding the Fourth Proportional to 12,979,131.32, 19,454,968.06 and 4,888,606.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,979,131.32 : 19,454,968.06 = 4,888,606.43 : x
2. Step 2: Convert to fraction form
   12,979,131.32/19,454,968.06 = 4,888,606.43/x
3. Step 3: Cross multiply
   12,979,131.32x = 19,454,968.06 × 4,888,606.43
4. Step 4: Simplify right side
   12,979,131.32x = 95,107,681,989,976.53
5. Step 5: Solve for x
   x = 95,107,681,989,976.53/12,979,131.32
6. Step 6: Final answer
   x = 7,327,738.63