Finding the Fourth Proportional to 78,042.18, 117,083.52 and 21,882.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,042.18 : 117,083.52 = 21,882.45 : x
2. Step 2: Convert to fraction form
   78,042.18/117,083.52 = 21,882.45/x
3. Step 3: Cross multiply
   78,042.18x = 117,083.52 × 21,882.45
4. Step 4: Simplify right side
   78,042.18x = 2,562,074,272.22
5. Step 5: Solve for x
   x = 2,562,074,272.22/78,042.18
6. Step 6: Final answer
   x = 32,829.35