Finding the Fourth Proportional to 35,066.88, 48,386.88 and 20,160

Step by Step Solution

1. Step 1: Write the proportion equation
   35,066.88 : 48,386.88 = 20,160 : x
2. Step 2: Convert to fraction form
   35,066.88/48,386.88 = 20,160/x
3. Step 3: Cross multiply
   35,066.88x = 48,386.88 × 20,160
4. Step 4: Simplify right side
   35,066.88x = 975,479,500.80
5. Step 5: Solve for x
   x = 975,479,500.80/35,066.88
6. Step 6: Final answer
   x = 27,817.69