Finding the Fourth Proportional to 35,445.40, 48,900.72 and 30,969.34

Step by Step Solution

1. Step 1: Write the proportion equation
   35,445.40 : 48,900.72 = 30,969.34 : x
2. Step 2: Convert to fraction form
   35,445.40/48,900.72 = 30,969.34/x
3. Step 3: Cross multiply
   35,445.40x = 48,900.72 × 30,969.34
4. Step 4: Simplify right side
   35,445.40x = 1,514,423,023.92
5. Step 5: Solve for x
   x = 1,514,423,023.92/35,445.40
6. Step 6: Final answer
   x = 42,725.52