Finding the Fourth Proportional to 56,834.06, 78,427.34 and 31,340.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,834.06 : 78,427.34 = 31,340.52 : x
2. Step 2: Convert to fraction form
   56,834.06/78,427.34 = 31,340.52/x
3. Step 3: Cross multiply
   56,834.06x = 78,427.34 × 31,340.52
4. Step 4: Simplify right side
   56,834.06x = 2,457,953,578.64
5. Step 5: Solve for x
   x = 2,457,953,578.64/56,834.06
6. Step 6: Final answer
   x = 43,247.90