Finding the Fourth Proportional to 81,494.80, 112,486.72 and 53,204.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,494.80 : 112,486.72 = 53,204.72 : x
2. Step 2: Convert to fraction form
   81,494.80/112,486.72 = 53,204.72/x
3. Step 3: Cross multiply
   81,494.80x = 112,486.72 × 53,204.72
4. Step 4: Simplify right side
   81,494.80x = 5,984,824,441.32
5. Step 5: Solve for x
   x = 5,984,824,441.32/81,494.80
6. Step 6: Final answer
   x = 73,438.11