Finding the Fourth Proportional to 199,156.29, 298,615.89 and 79,148.31

Step by Step Solution

1. Step 1: Write the proportion equation
   199,156.29 : 298,615.89 = 79,148.31 : x
2. Step 2: Convert to fraction form
   199,156.29/298,615.89 = 79,148.31/x
3. Step 3: Cross multiply
   199,156.29x = 298,615.89 × 79,148.31
4. Step 4: Simplify right side
   199,156.29x = 23,634,943,032.65
5. Step 5: Solve for x
   x = 23,634,943,032.65/199,156.29
6. Step 6: Final answer
   x = 118,675.35