Finding the Fourth Proportional to 348,605, 523,128.71 and 148,926.89

Step by Step Solution

1. Step 1: Write the proportion equation
   348,605 : 523,128.71 = 148,926.89 : x
2. Step 2: Convert to fraction form
   348,605/523,128.71 = 148,926.89/x
3. Step 3: Cross multiply
   348,605x = 523,128.71 × 148,926.89
4. Step 4: Simplify right side
   348,605x = 77,907,931,105.38
5. Step 5: Solve for x
   x = 77,907,931,105.38/348,605
6. Step 6: Final answer
   x = 223,484.84