Finding the Fourth Proportional to 146,139.50, 201,672.51 and 79,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,139.50 : 201,672.51 = 79,071.50 : x
2. Step 2: Convert to fraction form
   146,139.50/201,672.51 = 79,071.50/x
3. Step 3: Cross multiply
   146,139.50x = 201,672.51 × 79,071.50
4. Step 4: Simplify right side
   146,139.50x = 15,946,547,874.47
5. Step 5: Solve for x
   x = 15,946,547,874.47/146,139.50
6. Step 6: Final answer
   x = 109,118.67