Finding the Fourth Proportional to 42,401.06, 63,602.10 and 10,811.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401.06 : 63,602.10 = 10,811.06 : x
2. Step 2: Convert to fraction form
   42,401.06/63,602.10 = 10,811.06/x
3. Step 3: Cross multiply
   42,401.06x = 63,602.10 × 10,811.06
4. Step 4: Simplify right side
   42,401.06x = 687,606,119.23
5. Step 5: Solve for x
   x = 687,606,119.23/42,401.06
6. Step 6: Final answer
   x = 16,216.72