Finding the Fourth Proportional to 166,071.33, 249,114.69 and 53,760.38

Step by Step Solution

1. Step 1: Write the proportion equation
   166,071.33 : 249,114.69 = 53,760.38 : x
2. Step 2: Convert to fraction form
   166,071.33/249,114.69 = 53,760.38/x
3. Step 3: Cross multiply
   166,071.33x = 249,114.69 × 53,760.38
4. Step 4: Simplify right side
   166,071.33x = 13,392,499,152.41
5. Step 5: Solve for x
   x = 13,392,499,152.41/166,071.33
6. Step 6: Final answer
   x = 80,643.05