Finding the Fourth Proportional to 50,515.63, 69,675.52 and 42,909.19

Step by Step Solution

1. Step 1: Write the proportion equation
   50,515.63 : 69,675.52 = 42,909.19 : x
2. Step 2: Convert to fraction form
   50,515.63/69,675.52 = 42,909.19/x
3. Step 3: Cross multiply
   50,515.63x = 69,675.52 × 42,909.19
4. Step 4: Simplify right side
   50,515.63x = 2,989,720,126.03
5. Step 5: Solve for x
   x = 2,989,720,126.03/50,515.63
6. Step 6: Final answer
   x = 59,184.06