Finding the Fourth Proportional to 181,574.50, 272,405.49 and 56,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,574.50 : 272,405.49 = 56,915.50 : x
2. Step 2: Convert to fraction form
   181,574.50/272,405.49 = 56,915.50/x
3. Step 3: Cross multiply
   181,574.50x = 272,405.49 × 56,915.50
4. Step 4: Simplify right side
   181,574.50x = 15,504,094,666.10
5. Step 5: Solve for x
   x = 15,504,094,666.10/181,574.50
6. Step 6: Final answer
   x = 85,386.96