Finding the Fourth Proportional to 99,100.43, 148,673.34 and 42,949.97

Step by Step Solution

1. Step 1: Write the proportion equation
   99,100.43 : 148,673.34 = 42,949.97 : x
2. Step 2: Convert to fraction form
   99,100.43/148,673.34 = 42,949.97/x
3. Step 3: Cross multiply
   99,100.43x = 148,673.34 × 42,949.97
4. Step 4: Simplify right side
   99,100.43x = 6,385,514,749.43
5. Step 5: Solve for x
   x = 6,385,514,749.43/99,100.43
6. Step 6: Final answer
   x = 64,434.79