Finding the Fourth Proportional to 42,378.02, 63,603.93 and 17,436.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,378.02 : 63,603.93 = 17,436.06 : x
2. Step 2: Convert to fraction form
   42,378.02/63,603.93 = 17,436.06/x
3. Step 3: Cross multiply
   42,378.02x = 63,603.93 × 17,436.06
4. Step 4: Simplify right side
   42,378.02x = 1,109,002,005.10
5. Step 5: Solve for x
   x = 1,109,002,005.10/42,378.02
6. Step 6: Final answer
   x = 26,169.27