Finding the Fourth Proportional to 61,967.48, 85,514.88 and 35,115.12

Step by Step Solution

1. Step 1: Write the proportion equation
   61,967.48 : 85,514.88 = 35,115.12 : x
2. Step 2: Convert to fraction form
   61,967.48/85,514.88 = 35,115.12/x
3. Step 3: Cross multiply
   61,967.48x = 85,514.88 × 35,115.12
4. Step 4: Simplify right side
   61,967.48x = 3,002,865,404.67
5. Step 5: Solve for x
   x = 3,002,865,404.67/61,967.48
6. Step 6: Final answer
   x = 48,458.73