Finding the Fourth Proportional to 42,387.33, 63,602.87 and 17,445.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,387.33 : 63,602.87 = 17,445.81 : x
2. Step 2: Convert to fraction form
   42,387.33/63,602.87 = 17,445.81/x
3. Step 3: Cross multiply
   42,387.33x = 63,602.87 × 17,445.81
4. Step 4: Simplify right side
   42,387.33x = 1,109,603,498.25
5. Step 5: Solve for x
   x = 1,109,603,498.25/42,387.33
6. Step 6: Final answer
   x = 26,177.72