Finding the Fourth Proportional to 81,339.93, 112,243.83 and 45,529.63

Step by Step Solution

1. Step 1: Write the proportion equation
   81,339.93 : 112,243.83 = 45,529.63 : x
2. Step 2: Convert to fraction form
   81,339.93/112,243.83 = 45,529.63/x
3. Step 3: Cross multiply
   81,339.93x = 112,243.83 × 45,529.63
4. Step 4: Simplify right side
   81,339.93x = 5,110,419,598.34
5. Step 5: Solve for x
   x = 5,110,419,598.34/81,339.93
6. Step 6: Final answer
   x = 62,827.93