Finding the Fourth Proportional to 52,707.84, 72,736.56 and 28,834.08

Step by Step Solution

1. Step 1: Write the proportion equation
   52,707.84 : 72,736.56 = 28,834.08 : x
2. Step 2: Convert to fraction form
   52,707.84/72,736.56 = 28,834.08/x
3. Step 3: Cross multiply
   52,707.84x = 72,736.56 × 28,834.08
4. Step 4: Simplify right side
   52,707.84x = 2,097,291,789.96
5. Step 5: Solve for x
   x = 2,097,291,789.96/52,707.84
6. Step 6: Final answer
   x = 39,790.89