Finding the Fourth Proportional to 52,741.85, 72,783.83 and 28,870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,741.85 : 72,783.83 = 28,870.03 : x
2. Step 2: Convert to fraction form
   52,741.85/72,783.83 = 28,870.03/x
3. Step 3: Cross multiply
   52,741.85x = 72,783.83 × 28,870.03
4. Step 4: Simplify right side
   52,741.85x = 2,101,271,029.31
5. Step 5: Solve for x
   x = 2,101,271,029.31/52,741.85
6. Step 6: Final answer
   x = 39,840.68