Finding the Fourth Proportional to 101,317.50, 151,995.69 and 45,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,317.50 : 151,995.69 = 45,913.50 : x
2. Step 2: Convert to fraction form
   101,317.50/151,995.69 = 45,913.50/x
3. Step 3: Cross multiply
   101,317.50x = 151,995.69 × 45,913.50
4. Step 4: Simplify right side
   101,317.50x = 6,978,654,112.82
5. Step 5: Solve for x
   x = 6,978,654,112.82/101,317.50
6. Step 6: Final answer
   x = 68,879.06