Finding the Fourth Proportional to 151,086.51, 208,484.91 and 83,102.40

Step by Step Solution

1. Step 1: Write the proportion equation
   151,086.51 : 208,484.91 = 83,102.40 : x
2. Step 2: Convert to fraction form
   151,086.51/208,484.91 = 83,102.40/x
3. Step 3: Cross multiply
   151,086.51x = 208,484.91 × 83,102.40
4. Step 4: Simplify right side
   151,086.51x = 17,325,596,384.78
5. Step 5: Solve for x
   x = 17,325,596,384.78/151,086.51
6. Step 6: Final answer
   x = 114,673.35