Finding the Fourth Proportional to 150,477.50, 207,658.98 and 83,409.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,477.50 : 207,658.98 = 83,409.50 : x
2. Step 2: Convert to fraction form
   150,477.50/207,658.98 = 83,409.50/x
3. Step 3: Cross multiply
   150,477.50x = 207,658.98 × 83,409.50
4. Step 4: Simplify right side
   150,477.50x = 17,320,731,692.31
5. Step 5: Solve for x
   x = 17,320,731,692.31/150,477.50
6. Step 6: Final answer
   x = 115,105.13