Finding the Fourth Proportional to 65,250.96, 90,086.76 and 58,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,250.96 : 90,086.76 = 58,524.72 : x
2. Step 2: Convert to fraction form
   65,250.96/90,086.76 = 58,524.72/x
3. Step 3: Cross multiply
   65,250.96x = 90,086.76 × 58,524.72
4. Step 4: Simplify right side
   65,250.96x = 5,272,302,404.71
5. Step 5: Solve for x
   x = 5,272,302,404.71/65,250.96
6. Step 6: Final answer
   x = 80,800.38