Finding the Fourth Proportional to 56,339, 84,452.56 and 31,390.44

Step by Step Solution

1. Step 1: Write the proportion equation
   56,339 : 84,452.56 = 31,390.44 : x
2. Step 2: Convert to fraction form
   56,339/84,452.56 = 31,390.44/x
3. Step 3: Cross multiply
   56,339x = 84,452.56 × 31,390.44
4. Step 4: Simplify right side
   56,339x = 2,651,003,017.53
5. Step 5: Solve for x
   x = 2,651,003,017.53/56,339
6. Step 6: Final answer
   x = 47,054.49