Finding the Fourth Proportional to 277,147.52, 415,410.24 and 137,004.56

Step by Step Solution

1. Step 1: Write the proportion equation
   277,147.52 : 415,410.24 = 137,004.56 : x
2. Step 2: Convert to fraction form
   277,147.52/415,410.24 = 137,004.56/x
3. Step 3: Cross multiply
   277,147.52x = 415,410.24 × 137,004.56
4. Step 4: Simplify right side
   277,147.52x = 56,913,097,150.69
5. Step 5: Solve for x
   x = 56,913,097,150.69/277,147.52
6. Step 6: Final answer
   x = 205,353.08