Finding the Fourth Proportional to 52,659, 78,997.14 and 17,607.06

Step by Step Solution

1. Step 1: Write the proportion equation
   52,659 : 78,997.14 = 17,607.06 : x
2. Step 2: Convert to fraction form
   52,659/78,997.14 = 17,607.06/x
3. Step 3: Cross multiply
   52,659x = 78,997.14 × 17,607.06
4. Step 4: Simplify right side
   52,659x = 1,390,907,383.81
5. Step 5: Solve for x
   x = 1,390,907,383.81/52,659
6. Step 6: Final answer
   x = 26,413.48