Finding the Fourth Proportional to 81,834.65, 112,914.88 and 47,836.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,834.65 : 112,914.88 = 47,836.56 : x
2. Step 2: Convert to fraction form
   81,834.65/112,914.88 = 47,836.56/x
3. Step 3: Cross multiply
   81,834.65x = 112,914.88 × 47,836.56
4. Step 4: Simplify right side
   81,834.65x = 5,401,459,100.71
5. Step 5: Solve for x
   x = 5,401,459,100.71/81,834.65
6. Step 6: Final answer
   x = 66,004.55