Finding the Fourth Proportional to 93,147.71, 139,722.78 and 40,555.22

Step by Step Solution

1. Step 1: Write the proportion equation
   93,147.71 : 139,722.78 = 40,555.22 : x
2. Step 2: Convert to fraction form
   93,147.71/139,722.78 = 40,555.22/x
3. Step 3: Cross multiply
   93,147.71x = 139,722.78 × 40,555.22
4. Step 4: Simplify right side
   93,147.71x = 5,666,487,383.30
5. Step 5: Solve for x
   x = 5,666,487,383.30/93,147.71
6. Step 6: Final answer
   x = 60,833.35