Finding the Fourth Proportional to 108,663.90, 162,801.45 and 88,835.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,663.90 : 162,801.45 = 88,835.10 : x
2. Step 2: Convert to fraction form
   108,663.90/162,801.45 = 88,835.10/x
3. Step 3: Cross multiply
   108,663.90x = 162,801.45 × 88,835.10
4. Step 4: Simplify right side
   108,663.90x = 14,462,483,090.90
5. Step 5: Solve for x
   x = 14,462,483,090.90/108,663.90
6. Step 6: Final answer
   x = 133,093.72