Finding the Fourth Proportional to 55,419.50, 76,479.32 and 30,269

Step by Step Solution

1. Step 1: Write the proportion equation
   55,419.50 : 76,479.32 = 30,269 : x
2. Step 2: Convert to fraction form
   55,419.50/76,479.32 = 30,269/x
3. Step 3: Cross multiply
   55,419.50x = 76,479.32 × 30,269
4. Step 4: Simplify right side
   55,419.50x = 2,314,952,385.74
5. Step 5: Solve for x
   x = 2,314,952,385.74/55,419.50
6. Step 6: Final answer
   x = 41,771.44