Finding the Fourth Proportional to 112,297.59, 168,399.61 and 45,692.51

Step by Step Solution

1. Step 1: Write the proportion equation
   112,297.59 : 168,399.61 = 45,692.51 : x
2. Step 2: Convert to fraction form
   112,297.59/168,399.61 = 45,692.51/x
3. Step 3: Cross multiply
   112,297.59x = 168,399.61 × 45,692.51
4. Step 4: Simplify right side
   112,297.59x = 7,694,599,907.69
5. Step 5: Solve for x
   x = 7,694,599,907.69/112,297.59
6. Step 6: Final answer
   x = 68,519.72