Finding the Fourth Proportional to 35,897.72, 53,843.50 and 21,854.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,897.72 : 53,843.50 = 21,854.10 : x
2. Step 2: Convert to fraction form
   35,897.72/53,843.50 = 21,854.10/x
3. Step 3: Cross multiply
   35,897.72x = 53,843.50 × 21,854.10
4. Step 4: Simplify right side
   35,897.72x = 1,176,701,233.35
5. Step 5: Solve for x
   x = 1,176,701,233.35/35,897.72
6. Step 6: Final answer
   x = 32,779.27