Finding the Fourth Proportional to 56,287.36, 77,642.71 and 37,167.31

Step by Step Solution

1. Step 1: Write the proportion equation
   56,287.36 : 77,642.71 = 37,167.31 : x
2. Step 2: Convert to fraction form
   56,287.36/77,642.71 = 37,167.31/x
3. Step 3: Cross multiply
   56,287.36x = 77,642.71 × 37,167.31
4. Step 4: Simplify right side
   56,287.36x = 2,885,770,671.81
5. Step 5: Solve for x
   x = 2,885,770,671.81/56,287.36
6. Step 6: Final answer
   x = 51,268.54