Finding the Fourth Proportional to 146,749.50, 202,514.31 and 79,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,749.50 : 202,514.31 = 79,681.50 : x
2. Step 2: Convert to fraction form
   146,749.50/202,514.31 = 79,681.50/x
3. Step 3: Cross multiply
   146,749.50x = 202,514.31 × 79,681.50
4. Step 4: Simplify right side
   146,749.50x = 16,136,643,992.27
5. Step 5: Solve for x
   x = 16,136,643,992.27/146,749.50
6. Step 6: Final answer
   x = 109,960.47