Finding the Fourth Proportional to 45,360.38, 67,958.94 and 42,691.98

Step by Step Solution

1. Step 1: Write the proportion equation
   45,360.38 : 67,958.94 = 42,691.98 : x
2. Step 2: Convert to fraction form
   45,360.38/67,958.94 = 42,691.98/x
3. Step 3: Cross multiply
   45,360.38x = 67,958.94 × 42,691.98
4. Step 4: Simplify right side
   45,360.38x = 2,901,301,707.30
5. Step 5: Solve for x
   x = 2,901,301,707.30/45,360.38
6. Step 6: Final answer
   x = 63,961.14