Finding the Fourth Proportional to 228,741.91, 343,158.73 and 78,987.69

Step by Step Solution

1. Step 1: Write the proportion equation
   228,741.91 : 343,158.73 = 78,987.69 : x
2. Step 2: Convert to fraction form
   228,741.91/343,158.73 = 78,987.69/x
3. Step 3: Cross multiply
   228,741.91x = 343,158.73 × 78,987.69
4. Step 4: Simplify right side
   228,741.91x = 27,105,315,188.56
5. Step 5: Solve for x
   x = 27,105,315,188.56/228,741.91
6. Step 6: Final answer
   x = 118,497.37