Finding the Fourth Proportional to 56,589.67, 78,093.73 and 31,097.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,589.67 : 78,093.73 = 31,097.68 : x
2. Step 2: Convert to fraction form
   56,589.67/78,093.73 = 31,097.68/x
3. Step 3: Cross multiply
   56,589.67x = 78,093.73 × 31,097.68
4. Step 4: Simplify right side
   56,589.67x = 2,428,533,825.55
5. Step 5: Solve for x
   x = 2,428,533,825.55/56,589.67
6. Step 6: Final answer
   x = 42,914.79