Finding the Fourth Proportional to 83,933.42, 115,836.48 and 62,675.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,933.42 : 115,836.48 = 62,675.78 : x
2. Step 2: Convert to fraction form
   83,933.42/115,836.48 = 62,675.78/x
3. Step 3: Cross multiply
   83,933.42x = 115,836.48 × 62,675.78
4. Step 4: Simplify right side
   83,933.42x = 7,260,141,157.27
5. Step 5: Solve for x
   x = 7,260,141,157.27/83,933.42
6. Step 6: Final answer
   x = 86,498.82