Finding the Fourth Proportional to 112,320.82, 168,398.00 and 53,087.27

Step by Step Solution

1. Step 1: Write the proportion equation
   112,320.82 : 168,398.00 = 53,087.27 : x
2. Step 2: Convert to fraction form
   112,320.82/168,398.00 = 53,087.27/x
3. Step 3: Cross multiply
   112,320.82x = 168,398.00 × 53,087.27
4. Step 4: Simplify right side
   112,320.82x = 8,939,789,828.02
5. Step 5: Solve for x
   x = 8,939,789,828.02/112,320.82
6. Step 6: Final answer
   x = 79,591.57