Finding the Fourth Proportional to 119,606.71, 165,051.13 and 65,890.55

Step by Step Solution

1. Step 1: Write the proportion equation
   119,606.71 : 165,051.13 = 65,890.55 : x
2. Step 2: Convert to fraction form
   119,606.71/165,051.13 = 65,890.55/x
3. Step 3: Cross multiply
   119,606.71x = 165,051.13 × 65,890.55
4. Step 4: Simplify right side
   119,606.71x = 10,875,309,733.82
5. Step 5: Solve for x
   x = 10,875,309,733.82/119,606.71
6. Step 6: Final answer
   x = 90,925.58