Finding the Fourth Proportional to 151,384.56, 208,926.99 and 83,408.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,384.56 : 208,926.99 = 83,408.42 : x
2. Step 2: Convert to fraction form
   151,384.56/208,926.99 = 83,408.42/x
3. Step 3: Cross multiply
   151,384.56x = 208,926.99 × 83,408.42
4. Step 4: Simplify right side
   151,384.56x = 17,426,269,086.62
5. Step 5: Solve for x
   x = 17,426,269,086.62/151,384.56
6. Step 6: Final answer
   x = 115,112.59