Finding the Fourth Proportional to 68,941.08, 95,136.15 and 42,128.46

Step by Step Solution

1. Step 1: Write the proportion equation
   68,941.08 : 95,136.15 = 42,128.46 : x
2. Step 2: Convert to fraction form
   68,941.08/95,136.15 = 42,128.46/x
3. Step 3: Cross multiply
   68,941.08x = 95,136.15 × 42,128.46
4. Step 4: Simplify right side
   68,941.08x = 4,007,939,647.81
5. Step 5: Solve for x
   x = 4,007,939,647.81/68,941.08
6. Step 6: Final answer
   x = 58,135.72