Finding the Fourth Proportional to 110,622.47, 165,886.90 and 60,688.31

Step by Step Solution

1. Step 1: Write the proportion equation
   110,622.47 : 165,886.90 = 60,688.31 : x
2. Step 2: Convert to fraction form
   110,622.47/165,886.90 = 60,688.31/x
3. Step 3: Cross multiply
   110,622.47x = 165,886.90 × 60,688.31
4. Step 4: Simplify right side
   110,622.47x = 10,067,395,612.14
5. Step 5: Solve for x
   x = 10,067,395,612.14/110,622.47
6. Step 6: Final answer
   x = 91,006.79