Finding the Fourth Proportional to 119,615.31, 165,076.58 and 65,900.32

Step by Step Solution

1. Step 1: Write the proportion equation
   119,615.31 : 165,076.58 = 65,900.32 : x
2. Step 2: Convert to fraction form
   119,615.31/165,076.58 = 65,900.32/x
3. Step 3: Cross multiply
   119,615.31x = 165,076.58 × 65,900.32
4. Step 4: Simplify right side
   119,615.31x = 10,878,599,198.56
5. Step 5: Solve for x
   x = 10,878,599,198.56/119,615.31
6. Step 6: Final answer
   x = 90,946.55