Finding the Fourth Proportional to 90,030.32, 124,241.33 and 49,744.09

Step by Step Solution

1. Step 1: Write the proportion equation
   90,030.32 : 124,241.33 = 49,744.09 : x
2. Step 2: Convert to fraction form
   90,030.32/124,241.33 = 49,744.09/x
3. Step 3: Cross multiply
   90,030.32x = 124,241.33 × 49,744.09
4. Step 4: Simplify right side
   90,030.32x = 6,180,271,031.31
5. Step 5: Solve for x
   x = 6,180,271,031.31/90,030.32
6. Step 6: Final answer
   x = 68,646.56