Finding the Fourth Proportional to 245,693.72, 368,630.64 and 103,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   245,693.72 : 368,630.64 = 103,574.72 : x
2. Step 2: Convert to fraction form
   245,693.72/368,630.64 = 103,574.72/x
3. Step 3: Cross multiply
   245,693.72x = 368,630.64 × 103,574.72
4. Step 4: Simplify right side
   245,693.72x = 38,180,815,321.42
5. Step 5: Solve for x
   x = 38,180,815,321.42/245,693.72
6. Step 6: Final answer
   x = 155,400.05