Finding the Fourth Proportional to 112,801.66, 169,223.83 and 45,338.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,801.66 : 169,223.83 = 45,338.94 : x
2. Step 2: Convert to fraction form
   112,801.66/169,223.83 = 45,338.94/x
3. Step 3: Cross multiply
   112,801.66x = 169,223.83 × 45,338.94
4. Step 4: Simplify right side
   112,801.66x = 7,672,429,216.62
5. Step 5: Solve for x
   x = 7,672,429,216.62/112,801.66
6. Step 6: Final answer
   x = 68,016.99