Finding the Fourth Proportional to 85,678.61, 128,514.69 and 22,498.14

Step by Step Solution

1. Step 1: Write the proportion equation
   85,678.61 : 128,514.69 = 22,498.14 : x
2. Step 2: Convert to fraction form
   85,678.61/128,514.69 = 22,498.14/x
3. Step 3: Cross multiply
   85,678.61x = 128,514.69 × 22,498.14
4. Step 4: Simplify right side
   85,678.61x = 2,891,341,487.68
5. Step 5: Solve for x
   x = 2,891,341,487.68/85,678.61
6. Step 6: Final answer
   x = 33,746.37