Finding the Fourth Proportional to 117,498.28, 162,147.52 and 63,783.40

Step by Step Solution

1. Step 1: Write the proportion equation
   117,498.28 : 162,147.52 = 63,783.40 : x
2. Step 2: Convert to fraction form
   117,498.28/162,147.52 = 63,783.40/x
3. Step 3: Cross multiply
   117,498.28x = 162,147.52 × 63,783.40
4. Step 4: Simplify right side
   117,498.28x = 10,342,320,127.17
5. Step 5: Solve for x
   x = 10,342,320,127.17/117,498.28
6. Step 6: Final answer
   x = 88,021.03