Finding the Fourth Proportional to 35,178.96, 52,762.62 and 13,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,178.96 : 52,762.62 = 13,002.72 : x
2. Step 2: Convert to fraction form
   35,178.96/52,762.62 = 13,002.72/x
3. Step 3: Cross multiply
   35,178.96x = 52,762.62 × 13,002.72
4. Step 4: Simplify right side
   35,178.96x = 686,057,574.33
5. Step 5: Solve for x
   x = 686,057,574.33/35,178.96
6. Step 6: Final answer
   x = 19,501.93