Finding the Fourth Proportional to 139,241.92, 208,938.50 and 59,266.84

Step by Step Solution

1. Step 1: Write the proportion equation
   139,241.92 : 208,938.50 = 59,266.84 : x
2. Step 2: Convert to fraction form
   139,241.92/208,938.50 = 59,266.84/x
3. Step 3: Cross multiply
   139,241.92x = 208,938.50 × 59,266.84
4. Step 4: Simplify right side
   139,241.92x = 12,383,124,649.34
5. Step 5: Solve for x
   x = 12,383,124,649.34/139,241.92
6. Step 6: Final answer
   x = 88,932.45