Finding the Fourth Proportional to 35,160.78, 48,521.50 and 20,053.05

Step by Step Solution

1. Step 1: Write the proportion equation
   35,160.78 : 48,521.50 = 20,053.05 : x
2. Step 2: Convert to fraction form
   35,160.78/48,521.50 = 20,053.05/x
3. Step 3: Cross multiply
   35,160.78x = 48,521.50 × 20,053.05
4. Step 4: Simplify right side
   35,160.78x = 973,004,065.58
5. Step 5: Solve for x
   x = 973,004,065.58/35,160.78
6. Step 6: Final answer
   x = 27,672.99