Finding the Fourth Proportional to 116,662.72, 174,955.15 and 45,566.91

Step by Step Solution

1. Step 1: Write the proportion equation
   116,662.72 : 174,955.15 = 45,566.91 : x
2. Step 2: Convert to fraction form
   116,662.72/174,955.15 = 45,566.91/x
3. Step 3: Cross multiply
   116,662.72x = 174,955.15 × 45,566.91
4. Step 4: Simplify right side
   116,662.72x = 7,972,166,335.66
5. Step 5: Solve for x
   x = 7,972,166,335.66/116,662.72
6. Step 6: Final answer
   x = 68,335.17