Finding the Fourth Proportional to 89,182.32, 133,592.04 and 71,556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,182.32 : 133,592.04 = 71,556.72 : x
2. Step 2: Convert to fraction form
   89,182.32/133,592.04 = 71,556.72/x
3. Step 3: Cross multiply
   89,182.32x = 133,592.04 × 71,556.72
4. Step 4: Simplify right side
   89,182.32x = 9,559,408,200.51
5. Step 5: Solve for x
   x = 9,559,408,200.51/89,182.32
6. Step 6: Final answer
   x = 107,189.50