Finding the Fourth Proportional to 81,443.77, 112,392.32 and 45,634.03

Step by Step Solution

1. Step 1: Write the proportion equation
   81,443.77 : 112,392.32 = 45,634.03 : x
2. Step 2: Convert to fraction form
   81,443.77/112,392.32 = 45,634.03/x
3. Step 3: Cross multiply
   81,443.77x = 112,392.32 × 45,634.03
4. Step 4: Simplify right side
   81,443.77x = 5,128,914,946.57
5. Step 5: Solve for x
   x = 5,128,914,946.57/81,443.77
6. Step 6: Final answer
   x = 62,974.92