Finding the Fourth Proportional to 260,101.89, 390,152.83 and 73,113.39

Step by Step Solution

1. Step 1: Write the proportion equation
   260,101.89 : 390,152.83 = 73,113.39 : x
2. Step 2: Convert to fraction form
   260,101.89/390,152.83 = 73,113.39/x
3. Step 3: Cross multiply
   260,101.89x = 390,152.83 × 73,113.39
4. Step 4: Simplify right side
   260,101.89x = 28,525,396,019.39
5. Step 5: Solve for x
   x = 28,525,396,019.39/260,101.89
6. Step 6: Final answer
   x = 109,670.08