Finding the Fourth Proportional to 35,436.72, 53,142.60 and 10,470.12

Step by Step Solution

1. Step 1: Write the proportion equation
   35,436.72 : 53,142.60 = 10,470.12 : x
2. Step 2: Convert to fraction form
   35,436.72/53,142.60 = 10,470.12/x
3. Step 3: Cross multiply
   35,436.72x = 53,142.60 × 10,470.12
4. Step 4: Simplify right side
   35,436.72x = 556,409,399.11
5. Step 5: Solve for x
   x = 556,409,399.11/35,436.72
6. Step 6: Final answer
   x = 15,701.49