Finding the Fourth Proportional to 55,127.23, 76,118.43 and 42,360.29

Step by Step Solution

1. Step 1: Write the proportion equation
   55,127.23 : 76,118.43 = 42,360.29 : x
2. Step 2: Convert to fraction form
   55,127.23/76,118.43 = 42,360.29/x
3. Step 3: Cross multiply
   55,127.23x = 76,118.43 × 42,360.29
4. Step 4: Simplify right side
   55,127.23x = 3,224,399,046.93
5. Step 5: Solve for x
   x = 3,224,399,046.93/55,127.23
6. Step 6: Final answer
   x = 58,490.13