Finding the Fourth Proportional to 112,315.82, 168,390.50 and 53,082.29

Step by Step Solution

1. Step 1: Write the proportion equation
   112,315.82 : 168,390.50 = 53,082.29 : x
2. Step 2: Convert to fraction form
   112,315.82/168,390.50 = 53,082.29/x
3. Step 3: Cross multiply
   112,315.82x = 168,390.50 × 53,082.29
4. Step 4: Simplify right side
   112,315.82x = 8,938,552,562.61
5. Step 5: Solve for x
   x = 8,938,552,562.61/112,315.82
6. Step 6: Final answer
   x = 79,584.10