Finding the Fourth Proportional to 123,144.68, 184,449.69 and 75,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,144.68 : 184,449.69 = 75,615.50 : x
2. Step 2: Convert to fraction form
   123,144.68/184,449.69 = 75,615.50/x
3. Step 3: Cross multiply
   123,144.68x = 184,449.69 × 75,615.50
4. Step 4: Simplify right side
   123,144.68x = 13,947,254,611.95
5. Step 5: Solve for x
   x = 13,947,254,611.95/123,144.68
6. Step 6: Final answer
   x = 113,259.10