Finding the Fourth Proportional to 60,363, 90,604.10 and 45,317.81

Step by Step Solution

1. Step 1: Write the proportion equation
   60,363 : 90,604.10 = 45,317.81 : x
2. Step 2: Convert to fraction form
   60,363/90,604.10 = 45,317.81/x
3. Step 3: Cross multiply
   60,363x = 90,604.10 × 45,317.81
4. Step 4: Simplify right side
   60,363x = 4,105,979,728.83
5. Step 5: Solve for x
   x = 4,105,979,728.83/60,363
6. Step 6: Final answer
   x = 68,021.47