Finding the Fourth Proportional to 56,329.56, 77,735.34 and 31,179

Step by Step Solution

1. Step 1: Write the proportion equation
   56,329.56 : 77,735.34 = 31,179 : x
2. Step 2: Convert to fraction form
   56,329.56/77,735.34 = 31,179/x
3. Step 3: Cross multiply
   56,329.56x = 77,735.34 × 31,179
4. Step 4: Simplify right side
   56,329.56x = 2,423,710,165.86
5. Step 5: Solve for x
   x = 2,423,710,165.86/56,329.56
6. Step 6: Final answer
   x = 43,027.32