Finding the Fourth Proportional to 35,501.22, 48,989.15 and 19,981.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,501.22 : 48,989.15 = 19,981.10 : x
2. Step 2: Convert to fraction form
   35,501.22/48,989.15 = 19,981.10/x
3. Step 3: Cross multiply
   35,501.22x = 48,989.15 × 19,981.10
4. Step 4: Simplify right side
   35,501.22x = 978,857,005.16
5. Step 5: Solve for x
   x = 978,857,005.16/35,501.22
6. Step 6: Final answer
   x = 27,572.49