Finding the Fourth Proportional to 118,970.96, 164,180.16 and 65,256.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,970.96 : 164,180.16 = 65,256.42 : x
2. Step 2: Convert to fraction form
   118,970.96/164,180.16 = 65,256.42/x
3. Step 3: Cross multiply
   118,970.96x = 164,180.16 × 65,256.42
4. Step 4: Simplify right side
   118,970.96x = 10,713,809,476.63
5. Step 5: Solve for x
   x = 10,713,809,476.63/118,970.96
6. Step 6: Final answer
   x = 90,053.99