Finding the Fourth Proportional to 201,500.91, 278,071.25 and 110,854.92

Step by Step Solution

1. Step 1: Write the proportion equation
   201,500.91 : 278,071.25 = 110,854.92 : x
2. Step 2: Convert to fraction form
   201,500.91/278,071.25 = 110,854.92/x
3. Step 3: Cross multiply
   201,500.91x = 278,071.25 × 110,854.92
4. Step 4: Simplify right side
   201,500.91x = 30,825,565,618.78
5. Step 5: Solve for x
   x = 30,825,565,618.78/201,500.91
6. Step 6: Final answer
   x = 152,979.78