Finding the Fourth Proportional to 118,940.58, 164,141.80 and 65,225.47

Step by Step Solution

1. Step 1: Write the proportion equation
   118,940.58 : 164,141.80 = 65,225.47 : x
2. Step 2: Convert to fraction form
   118,940.58/164,141.80 = 65,225.47/x
3. Step 3: Cross multiply
   118,940.58x = 164,141.80 × 65,225.47
4. Step 4: Simplify right side
   118,940.58x = 10,706,226,051.65
5. Step 5: Solve for x
   x = 10,706,226,051.65/118,940.58
6. Step 6: Final answer
   x = 90,013.23