Finding the Fourth Proportional to 120,743.50, 181,041.40 and 57,582.94

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743.50 : 181,041.40 = 57,582.94 : x
2. Step 2: Convert to fraction form
   120,743.50/181,041.40 = 57,582.94/x
3. Step 3: Cross multiply
   120,743.50x = 181,041.40 × 57,582.94
4. Step 4: Simplify right side
   120,743.50x = 10,424,894,880.59
5. Step 5: Solve for x
   x = 10,424,894,880.59/120,743.50
6. Step 6: Final answer
   x = 86,339.18