Finding the Fourth Proportional to 146,732.56, 202,492.20 and 79,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,732.56 : 202,492.20 = 79,664.72 : x
2. Step 2: Convert to fraction form
   146,732.56/202,492.20 = 79,664.72/x
3. Step 3: Cross multiply
   146,732.56x = 202,492.20 × 79,664.72
4. Step 4: Simplify right side
   146,732.56x = 16,131,484,415.18
5. Step 5: Solve for x
   x = 16,131,484,415.18/146,732.56
6. Step 6: Final answer
   x = 109,938.00