Finding the Fourth Proportional to 123,147.45, 184,444.37 and 74,985.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,147.45 : 184,444.37 = 74,985.61 : x
2. Step 2: Convert to fraction form
   123,147.45/184,444.37 = 74,985.61/x
3. Step 3: Cross multiply
   123,147.45x = 184,444.37 × 74,985.61
4. Step 4: Simplify right side
   123,147.45x = 13,830,673,595.52
5. Step 5: Solve for x
   x = 13,830,673,595.52/123,147.45
6. Step 6: Final answer
   x = 112,309.87