Finding the Fourth Proportional to 52,633.97, 72,634.00 and 28,760.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,633.97 : 72,634.00 = 28,760.09 : x
2. Step 2: Convert to fraction form
   52,633.97/72,634.00 = 28,760.09/x
3. Step 3: Cross multiply
   52,633.97x = 72,634.00 × 28,760.09
4. Step 4: Simplify right side
   52,633.97x = 2,088,960,233.26
5. Step 5: Solve for x
   x = 2,088,960,233.26/52,633.97
6. Step 6: Final answer
   x = 39,688.45