Finding the Fourth Proportional to 56,941.84, 78,582.72 and 31,789.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,941.84 : 78,582.72 = 31,789.84 : x
2. Step 2: Convert to fraction form
   56,941.84/78,582.72 = 31,789.84/x
3. Step 3: Cross multiply
   56,941.84x = 78,582.72 × 31,789.84
4. Step 4: Simplify right side
   56,941.84x = 2,498,132,095.56
5. Step 5: Solve for x
   x = 2,498,132,095.56/56,941.84
6. Step 6: Final answer
   x = 43,871.64