Finding the Fourth Proportional to 123,328.98, 184,882.74 and 102,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,328.98 : 184,882.74 = 102,403.50 : x
2. Step 2: Convert to fraction form
   123,328.98/184,882.74 = 102,403.50/x
3. Step 3: Cross multiply
   123,328.98x = 184,882.74 × 102,403.50
4. Step 4: Simplify right side
   123,328.98x = 18,932,639,665.59
5. Step 5: Solve for x
   x = 18,932,639,665.59/123,328.98
6. Step 6: Final answer
   x = 153,513.31