Finding the Fourth Proportional to 35,906.15, 53,861.24 and 10,947.01

Step by Step Solution

1. Step 1: Write the proportion equation
   35,906.15 : 53,861.24 = 10,947.01 : x
2. Step 2: Convert to fraction form
   35,906.15/53,861.24 = 10,947.01/x
3. Step 3: Cross multiply
   35,906.15x = 53,861.24 × 10,947.01
4. Step 4: Simplify right side
   35,906.15x = 589,619,532.89
5. Step 5: Solve for x
   x = 589,619,532.89/35,906.15
6. Step 6: Final answer
   x = 16,421.13