Finding the Fourth Proportional to 151,002.70, 208,378.41 and 83,019.19

Step by Step Solution

1. Step 1: Write the proportion equation
   151,002.70 : 208,378.41 = 83,019.19 : x
2. Step 2: Convert to fraction form
   151,002.70/208,378.41 = 83,019.19/x
3. Step 3: Cross multiply
   151,002.70x = 208,378.41 × 83,019.19
4. Step 4: Simplify right side
   151,002.70x = 17,299,406,811.69
5. Step 5: Solve for x
   x = 17,299,406,811.69/151,002.70
6. Step 6: Final answer
   x = 114,563.56