Finding the Fourth Proportional to 117,215.02, 161,755.95 and 63,498.79

Step by Step Solution

1. Step 1: Write the proportion equation
   117,215.02 : 161,755.95 = 63,498.79 : x
2. Step 2: Convert to fraction form
   117,215.02/161,755.95 = 63,498.79/x
3. Step 3: Cross multiply
   117,215.02x = 161,755.95 × 63,498.79
4. Step 4: Simplify right side
   117,215.02x = 10,271,307,100.30
5. Step 5: Solve for x
   x = 10,271,307,100.30/117,215.02
6. Step 6: Final answer
   x = 87,627.91