Finding the Fourth Proportional to 42,055.03, 63,081.73 and 10,889.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,055.03 : 63,081.73 = 10,889.47 : x
2. Step 2: Convert to fraction form
   42,055.03/63,081.73 = 10,889.47/x
3. Step 3: Cross multiply
   42,055.03x = 63,081.73 × 10,889.47
4. Step 4: Simplify right side
   42,055.03x = 686,926,606.38
5. Step 5: Solve for x
   x = 686,926,606.38/42,055.03
6. Step 6: Final answer
   x = 16,333.99