Finding the Fourth Proportional to 35,447.34, 48,917.34 and 21,300.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,447.34 : 48,917.34 = 21,300.18 : x
2. Step 2: Convert to fraction form
   35,447.34/48,917.34 = 21,300.18/x
3. Step 3: Cross multiply
   35,447.34x = 48,917.34 × 21,300.18
4. Step 4: Simplify right side
   35,447.34x = 1,041,948,147.12
5. Step 5: Solve for x
   x = 1,041,948,147.12/35,447.34
6. Step 6: Final answer
   x = 29,394.25