Finding the Fourth Proportional to 78,092.01, 107,766.81 and 42,282

Step by Step Solution

1. Step 1: Write the proportion equation
   78,092.01 : 107,766.81 = 42,282 : x
2. Step 2: Convert to fraction form
   78,092.01/107,766.81 = 42,282/x
3. Step 3: Cross multiply
   78,092.01x = 107,766.81 × 42,282
4. Step 4: Simplify right side
   78,092.01x = 4,556,596,260.42
5. Step 5: Solve for x
   x = 4,556,596,260.42/78,092.01
6. Step 6: Final answer
   x = 58,349.07