Finding the Fourth Proportional to 42,139.01, 63,208.92 and 17,174

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139.01 : 63,208.92 = 17,174 : x
2. Step 2: Convert to fraction form
   42,139.01/63,208.92 = 17,174/x
3. Step 3: Cross multiply
   42,139.01x = 63,208.92 × 17,174
4. Step 4: Simplify right side
   42,139.01x = 1,085,549,992.08
5. Step 5: Solve for x
   x = 1,085,549,992.08/42,139.01
6. Step 6: Final answer
   x = 25,761.17