Finding the Fourth Proportional to 81,336, 112,235.68 and 45,524.16

Step by Step Solution

1. Step 1: Write the proportion equation
   81,336 : 112,235.68 = 45,524.16 : x
2. Step 2: Convert to fraction form
   81,336/112,235.68 = 45,524.16/x
3. Step 3: Cross multiply
   81,336x = 112,235.68 × 45,524.16
4. Step 4: Simplify right side
   81,336x = 5,109,435,054.03
5. Step 5: Solve for x
   x = 5,109,435,054.03/81,336
6. Step 6: Final answer
   x = 62,818.86