Finding the Fourth Proportional to 116,959.58, 161,405.18 and 64,573.24

Step by Step Solution

1. Step 1: Write the proportion equation
   116,959.58 : 161,405.18 = 64,573.24 : x
2. Step 2: Convert to fraction form
   116,959.58/161,405.18 = 64,573.24/x
3. Step 3: Cross multiply
   116,959.58x = 161,405.18 × 64,573.24
4. Step 4: Simplify right side
   116,959.58x = 10,422,455,357.32
5. Step 5: Solve for x
   x = 10,422,455,357.32/116,959.58
6. Step 6: Final answer
   x = 89,111.60