Finding the Fourth Proportional to 42,087.42, 58,012.46 and 36,622.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,087.42 : 58,012.46 = 36,622.50 : x
2. Step 2: Convert to fraction form
   42,087.42/58,012.46 = 36,622.50/x
3. Step 3: Cross multiply
   42,087.42x = 58,012.46 × 36,622.50
4. Step 4: Simplify right side
   42,087.42x = 2,124,561,316.35
5. Step 5: Solve for x
   x = 2,124,561,316.35/42,087.42
6. Step 6: Final answer
   x = 50,479.72