Finding the Fourth Proportional to 73,089.69, 109,678.28 and 31,536.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73,089.69 : 109,678.28 = 31,536.69 : x
2. Step 2: Convert to fraction form
   73,089.69/109,678.28 = 31,536.69/x
3. Step 3: Cross multiply
   73,089.69x = 109,678.28 × 31,536.69
4. Step 4: Simplify right side
   73,089.69x = 3,458,889,916.09
5. Step 5: Solve for x
   x = 3,458,889,916.09/73,089.69
6. Step 6: Final answer
   x = 47,323.91