Finding the Fourth Proportional to 35,498.16, 48,989.88 and 20,594.16

Step by Step Solution

1. Step 1: Write the proportion equation
   35,498.16 : 48,989.88 = 20,594.16 : x
2. Step 2: Convert to fraction form
   35,498.16/48,989.88 = 20,594.16/x
3. Step 3: Cross multiply
   35,498.16x = 48,989.88 × 20,594.16
4. Step 4: Simplify right side
   35,498.16x = 1,008,905,427.10
5. Step 5: Solve for x
   x = 1,008,905,427.10/35,498.16
6. Step 6: Final answer
   x = 28,421.34