Finding the Fourth Proportional to 123,086.18, 184,619.71 and 75,707.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,086.18 : 184,619.71 = 75,707.56 : x
2. Step 2: Convert to fraction form
   123,086.18/184,619.71 = 75,707.56/x
3. Step 3: Cross multiply
   123,086.18x = 184,619.71 × 75,707.56
4. Step 4: Simplify right side
   123,086.18x = 13,977,107,671.56
5. Step 5: Solve for x
   x = 13,977,107,671.56/123,086.18
6. Step 6: Final answer
   x = 113,555.46