Finding the Fourth Proportional to 119,810.64, 165,337.61 and 66,096.10

Step by Step Solution

1. Step 1: Write the proportion equation
   119,810.64 : 165,337.61 = 66,096.10 : x
2. Step 2: Convert to fraction form
   119,810.64/165,337.61 = 66,096.10/x
3. Step 3: Cross multiply
   119,810.64x = 165,337.61 × 66,096.10
4. Step 4: Simplify right side
   119,810.64x = 10,928,171,080.51
5. Step 5: Solve for x
   x = 10,928,171,080.51/119,810.64
6. Step 6: Final answer
   x = 91,212.02