Finding the Fourth Proportional to 89,234.34, 123,078.87 and 75,784.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,234.34 : 123,078.87 = 75,784.29 : x
2. Step 2: Convert to fraction form
   89,234.34/123,078.87 = 75,784.29/x
3. Step 3: Cross multiply
   89,234.34x = 123,078.87 × 75,784.29
4. Step 4: Simplify right side
   89,234.34x = 9,327,444,776.95
5. Step 5: Solve for x
   x = 9,327,444,776.95/89,234.34
6. Step 6: Final answer
   x = 104,527.53