Finding the Fourth Proportional to 56,662.27, 78,194.01 and 31,511.77

Step by Step Solution

1. Step 1: Write the proportion equation
   56,662.27 : 78,194.01 = 31,511.77 : x
2. Step 2: Convert to fraction form
   56,662.27/78,194.01 = 31,511.77/x
3. Step 3: Cross multiply
   56,662.27x = 78,194.01 × 31,511.77
4. Step 4: Simplify right side
   56,662.27x = 2,464,031,658.50
5. Step 5: Solve for x
   x = 2,464,031,658.50/56,662.27
6. Step 6: Final answer
   x = 43,486.29