Finding the Fourth Proportional to 67,736.08, 93,521.45 and 42,281.21

Step by Step Solution

1. Step 1: Write the proportion equation
   67,736.08 : 93,521.45 = 42,281.21 : x
2. Step 2: Convert to fraction form
   67,736.08/93,521.45 = 42,281.21/x
3. Step 3: Cross multiply
   67,736.08x = 93,521.45 × 42,281.21
4. Step 4: Simplify right side
   67,736.08x = 3,954,200,066.95
5. Step 5: Solve for x
   x = 3,954,200,066.95/67,736.08
6. Step 6: Final answer
   x = 58,376.57