Finding the Fourth Proportional to 118,899.88, 164,080.96 and 65,183.96

Step by Step Solution

1. Step 1: Write the proportion equation
   118,899.88 : 164,080.96 = 65,183.96 : x
2. Step 2: Convert to fraction form
   118,899.88/164,080.96 = 65,183.96/x
3. Step 3: Cross multiply
   118,899.88x = 164,080.96 × 65,183.96
4. Step 4: Simplify right side
   118,899.88x = 10,695,446,980.64
5. Step 5: Solve for x
   x = 10,695,446,980.64/118,899.88
6. Step 6: Final answer
   x = 89,953.39