Finding the Fourth Proportional to 503,667.59, 755,583.47 and 148,717.49

Step by Step Solution

1. Step 1: Write the proportion equation
   503,667.59 : 755,583.47 = 148,717.49 : x
2. Step 2: Convert to fraction form
   503,667.59/755,583.47 = 148,717.49/x
3. Step 3: Cross multiply
   503,667.59x = 755,583.47 × 148,717.49
4. Step 4: Simplify right side
   503,667.59x = 112,368,476,400.30
5. Step 5: Solve for x
   x = 112,368,476,400.30/503,667.59
6. Step 6: Final answer
   x = 223,100.47