Finding the Fourth Proportional to 65,715.82, 90,656.22 and 43,045

Step by Step Solution

1. Step 1: Write the proportion equation
   65,715.82 : 90,656.22 = 43,045 : x
2. Step 2: Convert to fraction form
   65,715.82/90,656.22 = 43,045/x
3. Step 3: Cross multiply
   65,715.82x = 90,656.22 × 43,045
4. Step 4: Simplify right side
   65,715.82x = 3,902,296,989.90
5. Step 5: Solve for x
   x = 3,902,296,989.90/65,715.82
6. Step 6: Final answer
   x = 59,381.39