Finding the Fourth Proportional to 261,050.00, 391,575.34 and 71,512.05

Step by Step Solution

1. Step 1: Write the proportion equation
   261,050.00 : 391,575.34 = 71,512.05 : x
2. Step 2: Convert to fraction form
   261,050.00/391,575.34 = 71,512.05/x
3. Step 3: Cross multiply
   261,050.00x = 391,575.34 × 71,512.05
4. Step 4: Simplify right side
   261,050.00x = 28,002,354,245.78
5. Step 5: Solve for x
   x = 28,002,354,245.78/261,050.00
6. Step 6: Final answer
   x = 107,268.17