Finding the Fourth Proportional to 59,196.64, 81,611.76 and 57,362.08

Step by Step Solution

1. Step 1: Write the proportion equation
   59,196.64 : 81,611.76 = 57,362.08 : x
2. Step 2: Convert to fraction form
   59,196.64/81,611.76 = 57,362.08/x
3. Step 3: Cross multiply
   59,196.64x = 81,611.76 × 57,362.08
4. Step 4: Simplify right side
   59,196.64x = 4,681,420,306.06
5. Step 5: Solve for x
   x = 4,681,420,306.06/59,196.64
6. Step 6: Final answer
   x = 79,082.53