Finding the Fourth Proportional to 67,790.32, 93,519 and 42,653.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,790.32 : 93,519 = 42,653.68 : x
2. Step 2: Convert to fraction form
   67,790.32/93,519 = 42,653.68/x
3. Step 3: Cross multiply
   67,790.32x = 93,519 × 42,653.68
4. Step 4: Simplify right side
   67,790.32x = 3,988,929,499.92
5. Step 5: Solve for x
   x = 3,988,929,499.92/67,790.32
6. Step 6: Final answer
   x = 58,842.17