Finding the Fourth Proportional to 503,659.38, 755,627.12 and 148,673.30

Step by Step Solution

1. Step 1: Write the proportion equation
   503,659.38 : 755,627.12 = 148,673.30 : x
2. Step 2: Convert to fraction form
   503,659.38/755,627.12 = 148,673.30/x
3. Step 3: Cross multiply
   503,659.38x = 755,627.12 × 148,673.30
4. Step 4: Simplify right side
   503,659.38x = 112,341,572,978.39
5. Step 5: Solve for x
   x = 112,341,572,978.39/503,659.38
6. Step 6: Final answer
   x = 223,050.69