Finding the Fourth Proportional to 118,911.10, 164,095.45 and 65,196.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,911.10 : 164,095.45 = 65,196.58 : x
2. Step 2: Convert to fraction form
   118,911.10/164,095.45 = 65,196.58/x
3. Step 3: Cross multiply
   118,911.10x = 164,095.45 × 65,196.58
4. Step 4: Simplify right side
   118,911.10x = 10,698,462,133.56
5. Step 5: Solve for x
   x = 10,698,462,133.56/118,911.10
6. Step 6: Final answer
   x = 89,970.26