Finding the Fourth Proportional to 260,016.58, 390,039.46 and 73,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,016.58 : 390,039.46 = 73,013.50 : x
2. Step 2: Convert to fraction form
   260,016.58/390,039.46 = 73,013.50/x
3. Step 3: Cross multiply
   260,016.58x = 390,039.46 × 73,013.50
4. Step 4: Simplify right side
   260,016.58x = 28,478,146,112.71
5. Step 5: Solve for x
   x = 28,478,146,112.71/260,016.58
6. Step 6: Final answer
   x = 109,524.35