Finding the Fourth Proportional to 45,543.30, 67,857.04 and 42,996.82

Step by Step Solution

1. Step 1: Write the proportion equation
   45,543.30 : 67,857.04 = 42,996.82 : x
2. Step 2: Convert to fraction form
   45,543.30/67,857.04 = 42,996.82/x
3. Step 3: Cross multiply
   45,543.30x = 67,857.04 × 42,996.82
4. Step 4: Simplify right side
   45,543.30x = 2,917,636,595.33
5. Step 5: Solve for x
   x = 2,917,636,595.33/45,543.30
6. Step 6: Final answer
   x = 64,062.92