Finding the Fourth Proportional to 42,404.76, 63,599.94 and 11,243.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,404.76 : 63,599.94 = 11,243.16 : x
2. Step 2: Convert to fraction form
   42,404.76/63,599.94 = 11,243.16/x
3. Step 3: Cross multiply
   42,404.76x = 63,599.94 × 11,243.16
4. Step 4: Simplify right side
   42,404.76x = 715,064,301.41
5. Step 5: Solve for x
   x = 715,064,301.41/42,404.76
6. Step 6: Final answer
   x = 16,862.83