Finding the Fourth Proportional to 45,035.67, 67,588.12 and 42,723.12

Step by Step Solution

1. Step 1: Write the proportion equation
   45,035.67 : 67,588.12 = 42,723.12 : x
2. Step 2: Convert to fraction form
   45,035.67/67,588.12 = 42,723.12/x
3. Step 3: Cross multiply
   45,035.67x = 67,588.12 × 42,723.12
4. Step 4: Simplify right side
   45,035.67x = 2,887,575,361.33
5. Step 5: Solve for x
   x = 2,887,575,361.33/45,035.67
6. Step 6: Final answer
   x = 64,117.52