Finding the Fourth Proportional to 123,393.51, 184,843.62 and 56,742.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,393.51 : 184,843.62 = 56,742.30 : x
2. Step 2: Convert to fraction form
   123,393.51/184,843.62 = 56,742.30/x
3. Step 3: Cross multiply
   123,393.51x = 184,843.62 × 56,742.30
4. Step 4: Simplify right side
   123,393.51x = 10,488,452,139.13
5. Step 5: Solve for x
   x = 10,488,452,139.13/123,393.51
6. Step 6: Final answer
   x = 85,000.03