Finding the Fourth Proportional to 139,903.56, 193,122.90 and 83,304

Step by Step Solution

1. Step 1: Write the proportion equation
   139,903.56 : 193,122.90 = 83,304 : x
2. Step 2: Convert to fraction form
   139,903.56/193,122.90 = 83,304/x
3. Step 3: Cross multiply
   139,903.56x = 193,122.90 × 83,304
4. Step 4: Simplify right side
   139,903.56x = 16,087,910,061.60
5. Step 5: Solve for x
   x = 16,087,910,061.60/139,903.56
6. Step 6: Final answer
   x = 114,992.86