Finding the Fourth Proportional to 118,955.89, 164,158.14 and 65,239.93

Step by Step Solution

1. Step 1: Write the proportion equation
   118,955.89 : 164,158.14 = 65,239.93 : x
2. Step 2: Convert to fraction form
   118,955.89/164,158.14 = 65,239.93/x
3. Step 3: Cross multiply
   118,955.89x = 164,158.14 × 65,239.93
4. Step 4: Simplify right side
   118,955.89x = 10,709,666,012.38
5. Step 5: Solve for x
   x = 10,709,666,012.38/118,955.89
6. Step 6: Final answer
   x = 90,030.56