Finding the Fourth Proportional to 42,152.59, 63,227.67 and 10,987.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,152.59 : 63,227.67 = 10,987.84 : x
2. Step 2: Convert to fraction form
   42,152.59/63,227.67 = 10,987.84/x
3. Step 3: Cross multiply
   42,152.59x = 63,227.67 × 10,987.84
4. Step 4: Simplify right side
   42,152.59x = 694,735,521.53
5. Step 5: Solve for x
   x = 694,735,521.53/42,152.59
6. Step 6: Final answer
   x = 16,481.44