Finding the Fourth Proportional to 73,056.69, 109,634.22 and 28,678.17

Step by Step Solution

1. Step 1: Write the proportion equation
   73,056.69 : 109,634.22 = 28,678.17 : x
2. Step 2: Convert to fraction form
   73,056.69/109,634.22 = 28,678.17/x
3. Step 3: Cross multiply
   73,056.69x = 109,634.22 × 28,678.17
4. Step 4: Simplify right side
   73,056.69x = 3,144,108,798.98
5. Step 5: Solve for x
   x = 3,144,108,798.98/73,056.69
6. Step 6: Final answer
   x = 43,036.56