Finding the Fourth Proportional to 118,977.26, 164,185.72 and 76,535.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,977.26 : 164,185.72 = 76,535.69 : x
2. Step 2: Convert to fraction form
   118,977.26/164,185.72 = 76,535.69/x
3. Step 3: Cross multiply
   118,977.26x = 164,185.72 × 76,535.69
4. Step 4: Simplify right side
   118,977.26x = 12,566,066,356.08
5. Step 5: Solve for x
   x = 12,566,066,356.08/118,977.26
6. Step 6: Final answer
   x = 105,617.38