Finding the Fourth Proportional to 35,747.57, 53,604.72 and 13,257.34

Step by Step Solution

1. Step 1: Write the proportion equation
   35,747.57 : 53,604.72 = 13,257.34 : x
2. Step 2: Convert to fraction form
   35,747.57/53,604.72 = 13,257.34/x
3. Step 3: Cross multiply
   35,747.57x = 53,604.72 × 13,257.34
4. Step 4: Simplify right side
   35,747.57x = 710,655,864.63
5. Step 5: Solve for x
   x = 710,655,864.63/35,747.57
6. Step 6: Final answer
   x = 19,879.84