Finding the Fourth Proportional to 59,485.71, 89,109.60 and 35,780.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,485.71 : 89,109.60 = 35,780.16 : x
2. Step 2: Convert to fraction form
   59,485.71/89,109.60 = 35,780.16/x
3. Step 3: Cross multiply
   59,485.71x = 89,109.60 × 35,780.16
4. Step 4: Simplify right side
   59,485.71x = 3,188,355,945.52
5. Step 5: Solve for x
   x = 3,188,355,945.52/59,485.71
6. Step 6: Final answer
   x = 53,598.68