Finding the Fourth Proportional to 72,926.26, 109,345.60 and 28,500.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,926.26 : 109,345.60 = 28,500.06 : x
2. Step 2: Convert to fraction form
   72,926.26/109,345.60 = 28,500.06/x
3. Step 3: Cross multiply
   72,926.26x = 109,345.60 × 28,500.06
4. Step 4: Simplify right side
   72,926.26x = 3,116,356,160.74
5. Step 5: Solve for x
   x = 3,116,356,160.74/72,926.26
6. Step 6: Final answer
   x = 42,732.98