Finding the Fourth Proportional to 56,835.56, 78,429.41 and 31,342.02

Step by Step Solution

1. Step 1: Write the proportion equation
   56,835.56 : 78,429.41 = 31,342.02 : x
2. Step 2: Convert to fraction form
   56,835.56/78,429.41 = 31,342.02/x
3. Step 3: Cross multiply
   56,835.56x = 78,429.41 × 31,342.02
4. Step 4: Simplify right side
   56,835.56x = 2,458,135,980.10
5. Step 5: Solve for x
   x = 2,458,135,980.10/56,835.56
6. Step 6: Final answer
   x = 43,249.97