Finding the Fourth Proportional to 60,965.96, 83,946.06 and 53,369.78

Step by Step Solution

1. Step 1: Write the proportion equation
   60,965.96 : 83,946.06 = 53,369.78 : x
2. Step 2: Convert to fraction form
   60,965.96/83,946.06 = 53,369.78/x
3. Step 3: Cross multiply
   60,965.96x = 83,946.06 × 53,369.78
4. Step 4: Simplify right side
   60,965.96x = 4,480,182,334.34
5. Step 5: Solve for x
   x = 4,480,182,334.34/60,965.96
6. Step 6: Final answer
   x = 73,486.63