Finding the Fourth Proportional to 117,513, 162,167.76 and 63,797.64

Step by Step Solution

1. Step 1: Write the proportion equation
   117,513 : 162,167.76 = 63,797.64 : x
2. Step 2: Convert to fraction form
   117,513/162,167.76 = 63,797.64/x
3. Step 3: Cross multiply
   117,513x = 162,167.76 × 63,797.64
4. Step 4: Simplify right side
   117,513x = 10,345,920,372.09
5. Step 5: Solve for x
   x = 10,345,920,372.09/117,513
6. Step 6: Final answer
   x = 88,040.65