Finding the Fourth Proportional to 56,784.78, 78,347.22 and 36,642.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,784.78 : 78,347.22 = 36,642.54 : x
2. Step 2: Convert to fraction form
   56,784.78/78,347.22 = 36,642.54/x
3. Step 3: Cross multiply
   56,784.78x = 78,347.22 × 36,642.54
4. Step 4: Simplify right side
   56,784.78x = 2,870,841,142.74
5. Step 5: Solve for x
   x = 2,870,841,142.74/56,784.78
6. Step 6: Final answer
   x = 50,556.52