Finding the Fourth Proportional to 81,743.76, 112,816.47 and 45,933

Step by Step Solution

1. Step 1: Write the proportion equation
   81,743.76 : 112,816.47 = 45,933 : x
2. Step 2: Convert to fraction form
   81,743.76/112,816.47 = 45,933/x
3. Step 3: Cross multiply
   81,743.76x = 112,816.47 × 45,933
4. Step 4: Simplify right side
   81,743.76x = 5,181,998,916.51
5. Step 5: Solve for x
   x = 5,181,998,916.51/81,743.76
6. Step 6: Final answer
   x = 63,393.20