Finding the Fourth Proportional to 89,856.01, 134,784.56 and 39,924.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89,856.01 : 134,784.56 = 39,924.37 : x
2. Step 2: Convert to fraction form
   89,856.01/134,784.56 = 39,924.37/x
3. Step 3: Cross multiply
   89,856.01x = 134,784.56 × 39,924.37
4. Step 4: Simplify right side
   89,856.01x = 5,381,188,643.73
5. Step 5: Solve for x
   x = 5,381,188,643.73/89,856.01
6. Step 6: Final answer
   x = 59,886.80