Finding the Fourth Proportional to 123,061.30, 184,537.95 and 56,479.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,061.30 : 184,537.95 = 56,479.30 : x
2. Step 2: Convert to fraction form
   123,061.30/184,537.95 = 56,479.30/x
3. Step 3: Cross multiply
   123,061.30x = 184,537.95 × 56,479.30
4. Step 4: Simplify right side
   123,061.30x = 10,422,574,239.44
5. Step 5: Solve for x
   x = 10,422,574,239.44/123,061.30
6. Step 6: Final answer
   x = 84,694.17