Finding the Fourth Proportional to 119,039.89, 164,277.53 and 65,321.77

Step by Step Solution

1. Step 1: Write the proportion equation
   119,039.89 : 164,277.53 = 65,321.77 : x
2. Step 2: Convert to fraction form
   119,039.89/164,277.53 = 65,321.77/x
3. Step 3: Cross multiply
   119,039.89x = 164,277.53 × 65,321.77
4. Step 4: Simplify right side
   119,039.89x = 10,730,898,704.22
5. Step 5: Solve for x
   x = 10,730,898,704.22/119,039.89
6. Step 6: Final answer
   x = 90,145.40