Finding the Fourth Proportional to 60,960.18, 83,938.13 and 53,364

Step by Step Solution

1. Step 1: Write the proportion equation
   60,960.18 : 83,938.13 = 53,364 : x
2. Step 2: Convert to fraction form
   60,960.18/83,938.13 = 53,364/x
3. Step 3: Cross multiply
   60,960.18x = 83,938.13 × 53,364
4. Step 4: Simplify right side
   60,960.18x = 4,479,274,369.32
5. Step 5: Solve for x
   x = 4,479,274,369.32/60,960.18
6. Step 6: Final answer
   x = 73,478.69