Finding the Fourth Proportional to 72,233.10, 99,693.99 and 45,386.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72,233.10 : 99,693.99 = 45,386.46 : x
2. Step 2: Convert to fraction form
   72,233.10/99,693.99 = 45,386.46/x
3. Step 3: Cross multiply
   72,233.10x = 99,693.99 × 45,386.46
4. Step 4: Simplify right side
   72,233.10x = 4,524,757,289.38
5. Step 5: Solve for x
   x = 4,524,757,289.38/72,233.10
6. Step 6: Final answer
   x = 62,641.05