Finding the Fourth Proportional to 60,981.84, 91,103.22 and 38,616.12

Step by Step Solution

1. Step 1: Write the proportion equation
   60,981.84 : 91,103.22 = 38,616.12 : x
2. Step 2: Convert to fraction form
   60,981.84/91,103.22 = 38,616.12/x
3. Step 3: Cross multiply
   60,981.84x = 91,103.22 × 38,616.12
4. Step 4: Simplify right side
   60,981.84x = 3,518,052,875.91
5. Step 5: Solve for x
   x = 3,518,052,875.91/60,981.84
6. Step 6: Final answer
   x = 57,690.17