Finding the Fourth Proportional to 77,662.32, 116,322.72 and 64,182.54

Step by Step Solution

1. Step 1: Write the proportion equation
   77,662.32 : 116,322.72 = 64,182.54 : x
2. Step 2: Convert to fraction form
   77,662.32/116,322.72 = 64,182.54/x
3. Step 3: Cross multiply
   77,662.32x = 116,322.72 × 64,182.54
4. Step 4: Simplify right side
   77,662.32x = 7,465,887,629.31
5. Step 5: Solve for x
   x = 7,465,887,629.31/77,662.32
6. Step 6: Final answer
   x = 96,132.69