Finding the Fourth Proportional to 151,459.74, 209,005.91 and 83,476.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,459.74 : 209,005.91 = 83,476.50 : x
2. Step 2: Convert to fraction form
   151,459.74/209,005.91 = 83,476.50/x
3. Step 3: Cross multiply
   151,459.74x = 209,005.91 × 83,476.50
4. Step 4: Simplify right side
   151,459.74x = 17,447,081,846.12
5. Step 5: Solve for x
   x = 17,447,081,846.12/151,459.74
6. Step 6: Final answer
   x = 115,192.87