Finding the Fourth Proportional to 123,128.32, 184,532.10 and 55,610.14

Step by Step Solution

1. Step 1: Write the proportion equation
   123,128.32 : 184,532.10 = 55,610.14 : x
2. Step 2: Convert to fraction form
   123,128.32/184,532.10 = 55,610.14/x
3. Step 3: Cross multiply
   123,128.32x = 184,532.10 × 55,610.14
4. Step 4: Simplify right side
   123,128.32x = 10,261,855,915.49
5. Step 5: Solve for x
   x = 10,261,855,915.49/123,128.32
6. Step 6: Final answer
   x = 83,342.78