Finding the Fourth Proportional to 146,064.50, 201,569.01 and 78,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,064.50 : 201,569.01 = 78,996.50 : x
2. Step 2: Convert to fraction form
   146,064.50/201,569.01 = 78,996.50/x
3. Step 3: Cross multiply
   146,064.50x = 201,569.01 × 78,996.50
4. Step 4: Simplify right side
   146,064.50x = 15,923,246,298.47
5. Step 5: Solve for x
   x = 15,923,246,298.47/146,064.50
6. Step 6: Final answer
   x = 109,015.17