Finding the Fourth Proportional to 118,969.17, 164,182.05 and 65,256.45

Step by Step Solution

1. Step 1: Write the proportion equation
   118,969.17 : 164,182.05 = 65,256.45 : x
2. Step 2: Convert to fraction form
   118,969.17/164,182.05 = 65,256.45/x
3. Step 3: Cross multiply
   118,969.17x = 164,182.05 × 65,256.45
4. Step 4: Simplify right side
   118,969.17x = 10,713,937,736.72
5. Step 5: Solve for x
   x = 10,713,937,736.72/118,969.17
6. Step 6: Final answer
   x = 90,056.42