Finding the Fourth Proportional to 86,300.99, 119,109.56 and 54,047.83

Step by Step Solution

1. Step 1: Write the proportion equation
   86,300.99 : 119,109.56 = 54,047.83 : x
2. Step 2: Convert to fraction form
   86,300.99/119,109.56 = 54,047.83/x
3. Step 3: Cross multiply
   86,300.99x = 119,109.56 × 54,047.83
4. Step 4: Simplify right side
   86,300.99x = 6,437,613,696.60
5. Step 5: Solve for x
   x = 6,437,613,696.60/86,300.99
6. Step 6: Final answer
   x = 74,594.90