Finding the Fourth Proportional to 372,910.50, 559,453.23 and 123,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,910.50 : 559,453.23 = 123,592.50 : x
2. Step 2: Convert to fraction form
   372,910.50/559,453.23 = 123,592.50/x
3. Step 3: Cross multiply
   372,910.50x = 559,453.23 × 123,592.50
4. Step 4: Simplify right side
   372,910.50x = 69,144,223,328.78
5. Step 5: Solve for x
   x = 69,144,223,328.78/372,910.50
6. Step 6: Final answer
   x = 185,417.74