Finding the Fourth Proportional to 56,596.18, 78,100.53 and 31,447.30

Step by Step Solution

1. Step 1: Write the proportion equation
   56,596.18 : 78,100.53 = 31,447.30 : x
2. Step 2: Convert to fraction form
   56,596.18/78,100.53 = 31,447.30/x
3. Step 3: Cross multiply
   56,596.18x = 78,100.53 × 31,447.30
4. Step 4: Simplify right side
   56,596.18x = 2,456,050,797.07
5. Step 5: Solve for x
   x = 2,456,050,797.07/56,596.18
6. Step 6: Final answer
   x = 43,396.05