Finding the Fourth Proportional to 89,060.56, 133,590.84 and 39,778

Step by Step Solution

1. Step 1: Write the proportion equation
   89,060.56 : 133,590.84 = 39,778 : x
2. Step 2: Convert to fraction form
   89,060.56/133,590.84 = 39,778/x
3. Step 3: Cross multiply
   89,060.56x = 133,590.84 × 39,778
4. Step 4: Simplify right side
   89,060.56x = 5,313,976,433.52
5. Step 5: Solve for x
   x = 5,313,976,433.52/89,060.56
6. Step 6: Final answer
   x = 59,667.00