Finding the Fourth Proportional to 79,258.91, 118,887.37 and 19,287.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,258.91 : 118,887.37 = 19,287.72 : x
2. Step 2: Convert to fraction form
   79,258.91/118,887.37 = 19,287.72/x
3. Step 3: Cross multiply
   79,258.91x = 118,887.37 × 19,287.72
4. Step 4: Simplify right side
   79,258.91x = 2,293,066,255.88
5. Step 5: Solve for x
   x = 2,293,066,255.88/79,258.91
6. Step 6: Final answer
   x = 28,931.34