Finding the Fourth Proportional to 35,018.10, 48,340.53 and 20,875.86

Step by Step Solution

1. Step 1: Write the proportion equation
   35,018.10 : 48,340.53 = 20,875.86 : x
2. Step 2: Convert to fraction form
   35,018.10/48,340.53 = 20,875.86/x
3. Step 3: Cross multiply
   35,018.10x = 48,340.53 × 20,875.86
4. Step 4: Simplify right side
   35,018.10x = 1,009,150,136.61
5. Step 5: Solve for x
   x = 1,009,150,136.61/35,018.10
6. Step 6: Final answer
   x = 28,817.96