Finding the Fourth Proportional to 151,002.80, 208,365.74 and 83,008.58

Step by Step Solution

1. Step 1: Write the proportion equation
   151,002.80 : 208,365.74 = 83,008.58 : x
2. Step 2: Convert to fraction form
   151,002.80/208,365.74 = 83,008.58/x
3. Step 3: Cross multiply
   151,002.80x = 208,365.74 × 83,008.58
4. Step 4: Simplify right side
   151,002.80x = 17,296,144,198.05
5. Step 5: Solve for x
   x = 17,296,144,198.05/151,002.80
6. Step 6: Final answer
   x = 114,541.88