Finding the Fourth Proportional to 35,055.06, 52,514.55 and 31,128.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,055.06 : 52,514.55 = 31,128.18 : x
2. Step 2: Convert to fraction form
   35,055.06/52,514.55 = 31,128.18/x
3. Step 3: Cross multiply
   35,055.06x = 52,514.55 × 31,128.18
4. Step 4: Simplify right side
   35,055.06x = 1,634,682,365.02
5. Step 5: Solve for x
   x = 1,634,682,365.02/35,055.06
6. Step 6: Final answer
   x = 46,631.85