Finding the Fourth Proportional to 35,608.83, 53,417.97 and 13,116.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,608.83 : 53,417.97 = 13,116.45 : x
2. Step 2: Convert to fraction form
   35,608.83/53,417.97 = 13,116.45/x
3. Step 3: Cross multiply
   35,608.83x = 53,417.97 × 13,116.45
4. Step 4: Simplify right side
   35,608.83x = 700,654,132.61
5. Step 5: Solve for x
   x = 700,654,132.61/35,608.83
6. Step 6: Final answer
   x = 19,676.42