Finding the Fourth Proportional to 201,499.67, 278,069.54 and 110,853.69

Step by Step Solution

1. Step 1: Write the proportion equation
   201,499.67 : 278,069.54 = 110,853.69 : x
2. Step 2: Convert to fraction form
   201,499.67/278,069.54 = 110,853.69/x
3. Step 3: Cross multiply
   201,499.67x = 278,069.54 × 110,853.69
4. Step 4: Simplify right side
   201,499.67x = 30,825,034,585.60
5. Step 5: Solve for x
   x = 30,825,034,585.60/201,499.67
6. Step 6: Final answer
   x = 152,978.09