Finding the Fourth Proportional to 112,588.02, 168,881.86 and 53,391.38

Step by Step Solution

1. Step 1: Write the proportion equation
   112,588.02 : 168,881.86 = 53,391.38 : x
2. Step 2: Convert to fraction form
   112,588.02/168,881.86 = 53,391.38/x
3. Step 3: Cross multiply
   112,588.02x = 168,881.86 × 53,391.38
4. Step 4: Simplify right side
   112,588.02x = 9,016,835,562.37
5. Step 5: Solve for x
   x = 9,016,835,562.37/112,588.02
6. Step 6: Final answer
   x = 80,086.99