Finding the Fourth Proportional to 92,817.82, 139,204.36 and 42,849.91

Step by Step Solution

1. Step 1: Write the proportion equation
   92,817.82 : 139,204.36 = 42,849.91 : x
2. Step 2: Convert to fraction form
   92,817.82/139,204.36 = 42,849.91/x
3. Step 3: Cross multiply
   92,817.82x = 139,204.36 × 42,849.91
4. Step 4: Simplify right side
   92,817.82x = 5,964,894,297.61
5. Step 5: Solve for x
   x = 5,964,894,297.61/92,817.82
6. Step 6: Final answer
   x = 64,264.54