Finding the Fourth Proportional to 339,603, 468,667.54 and 188,700

Step by Step Solution

1. Step 1: Write the proportion equation
   339,603 : 468,667.54 = 188,700 : x
2. Step 2: Convert to fraction form
   339,603/468,667.54 = 188,700/x
3. Step 3: Cross multiply
   339,603x = 468,667.54 × 188,700
4. Step 4: Simplify right side
   339,603x = 88,437,564,798
5. Step 5: Solve for x
   x = 88,437,564,798/339,603
6. Step 6: Final answer
   x = 260,414.56