Finding the Fourth Proportional to 56,243.69, 77,617.91 and 31,094.81

Step by Step Solution

1. Step 1: Write the proportion equation
   56,243.69 : 77,617.91 = 31,094.81 : x
2. Step 2: Convert to fraction form
   56,243.69/77,617.91 = 31,094.81/x
3. Step 3: Cross multiply
   56,243.69x = 77,617.91 × 31,094.81
4. Step 4: Simplify right side
   56,243.69x = 2,413,514,164.05
5. Step 5: Solve for x
   x = 2,413,514,164.05/56,243.69
6. Step 6: Final answer
   x = 42,911.73