Finding the Fourth Proportional to 52,341.29, 72,236.61 and 45,821.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,341.29 : 72,236.61 = 45,821.30 : x
2. Step 2: Convert to fraction form
   52,341.29/72,236.61 = 45,821.30/x
3. Step 3: Cross multiply
   52,341.29x = 72,236.61 × 45,821.30
4. Step 4: Simplify right side
   52,341.29x = 3,309,975,016.61
5. Step 5: Solve for x
   x = 3,309,975,016.61/52,341.29
6. Step 6: Final answer
   x = 63,238.32