Finding the Fourth Proportional to 112,288.30, 168,343.02 and 64,849.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,288.30 : 168,343.02 = 64,849.42 : x
2. Step 2: Convert to fraction form
   112,288.30/168,343.02 = 64,849.42/x
3. Step 3: Cross multiply
   112,288.30x = 168,343.02 × 64,849.42
4. Step 4: Simplify right side
   112,288.30x = 10,916,947,208.05
5. Step 5: Solve for x
   x = 10,916,947,208.05/112,288.30
6. Step 6: Final answer
   x = 97,222.48