Finding the Fourth Proportional to 185,667.89, 278,537.64 and 79,049.90

Step by Step Solution

1. Step 1: Write the proportion equation
   185,667.89 : 278,537.64 = 79,049.90 : x
2. Step 2: Convert to fraction form
   185,667.89/278,537.64 = 79,049.90/x
3. Step 3: Cross multiply
   185,667.89x = 278,537.64 × 79,049.90
4. Step 4: Simplify right side
   185,667.89x = 22,018,371,195.55
5. Step 5: Solve for x
   x = 22,018,371,195.55/185,667.89
6. Step 6: Final answer
   x = 118,590.09