Finding the Fourth Proportional to 144,258,268.32, 199,081,224.72 and 79,068,339.36

Step by Step Solution

1. Step 1: Write the proportion equation
   144,258,268.32 : 199,081,224.72 = 79,068,339.36 : x
2. Step 2: Convert to fraction form
   144,258,268.32/199,081,224.72 = 79,068,339.36/x
3. Step 3: Cross multiply
   144,258,268.32x = 199,081,224.72 × 79,068,339.36
4. Step 4: Simplify right side
   144,258,268.32x = 15,741,021,836,365,380
5. Step 5: Solve for x
   x = 15,741,021,836,365,380/144,258,268.32
6. Step 6: Final answer
   x = 109,116,947.12