Finding the Fourth Proportional to 35,290.84, 48,699.96 and 20,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,290.84 : 48,699.96 = 20,182.72 : x
2. Step 2: Convert to fraction form
   35,290.84/48,699.96 = 20,182.72/x
3. Step 3: Cross multiply
   35,290.84x = 48,699.96 × 20,182.72
4. Step 4: Simplify right side
   35,290.84x = 982,897,656.69
5. Step 5: Solve for x
   x = 982,897,656.69/35,290.84
6. Step 6: Final answer
   x = 27,851.35