Finding the Fourth Proportional to 81,317.12, 112,196.30 and 46,853.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,317.12 : 112,196.30 = 46,853.42 : x
2. Step 2: Convert to fraction form
   81,317.12/112,196.30 = 46,853.42/x
3. Step 3: Cross multiply
   81,317.12x = 112,196.30 × 46,853.42
4. Step 4: Simplify right side
   81,317.12x = 5,256,779,571.10
5. Step 5: Solve for x
   x = 5,256,779,571.10/81,317.12
6. Step 6: Final answer
   x = 64,645.42