Finding the Fourth Proportional to 201,499.59, 278,069.44 and 110,853.61

Step by Step Solution

1. Step 1: Write the proportion equation
   201,499.59 : 278,069.44 = 110,853.61 : x
2. Step 2: Convert to fraction form
   201,499.59/278,069.44 = 110,853.61/x
3. Step 3: Cross multiply
   201,499.59x = 278,069.44 × 110,853.61
4. Step 4: Simplify right side
   201,499.59x = 30,825,000,413.59
5. Step 5: Solve for x
   x = 30,825,000,413.59/201,499.59
6. Step 6: Final answer
   x = 152,977.98