Finding the Fourth Proportional to 50,188.48, 69,102.48 and 42,618.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,188.48 : 69,102.48 = 42,618.88 : x
2. Step 2: Convert to fraction form
   50,188.48/69,102.48 = 42,618.88/x
3. Step 3: Cross multiply
   50,188.48x = 69,102.48 × 42,618.88
4. Step 4: Simplify right side
   50,188.48x = 2,945,070,302.82
5. Step 5: Solve for x
   x = 2,945,070,302.82/50,188.48
6. Step 6: Final answer
   x = 58,680.21