Finding the Fourth Proportional to 89,184.42, 123,097.74 and 55,173.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,184.42 : 123,097.74 = 55,173.12 : x
2. Step 2: Convert to fraction form
   89,184.42/123,097.74 = 55,173.12/x
3. Step 3: Cross multiply
   89,184.42x = 123,097.74 × 55,173.12
4. Step 4: Simplify right side
   89,184.42x = 6,791,686,380.75
5. Step 5: Solve for x
   x = 6,791,686,380.75/89,184.42
6. Step 6: Final answer
   x = 76,153.28