Finding the Fourth Proportional to 56,584.09, 78,086.10 and 31,092.09

Step by Step Solution

1. Step 1: Write the proportion equation
   56,584.09 : 78,086.10 = 31,092.09 : x
2. Step 2: Convert to fraction form
   56,584.09/78,086.10 = 31,092.09/x
3. Step 3: Cross multiply
   56,584.09x = 78,086.10 × 31,092.09
4. Step 4: Simplify right side
   56,584.09x = 2,427,860,048.95
5. Step 5: Solve for x
   x = 2,427,860,048.95/56,584.09
6. Step 6: Final answer
   x = 42,907.11