Finding the Fourth Proportional to 58,686.22, 80,881.23 and 42,745.42

Step by Step Solution

1. Step 1: Write the proportion equation
   58,686.22 : 80,881.23 = 42,745.42 : x
2. Step 2: Convert to fraction form
   58,686.22/80,881.23 = 42,745.42/x
3. Step 3: Cross multiply
   58,686.22x = 80,881.23 × 42,745.42
4. Step 4: Simplify right side
   58,686.22x = 3,457,302,146.47
5. Step 5: Solve for x
   x = 3,457,302,146.47/58,686.22
6. Step 6: Final answer
   x = 58,911.65