Finding the Fourth Proportional to 151,649.47, 209,276.98 and 83,667.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151,649.47 : 209,276.98 = 83,667.27 : x
2. Step 2: Convert to fraction form
   151,649.47/209,276.98 = 83,667.27/x
3. Step 3: Cross multiply
   151,649.47x = 209,276.98 × 83,667.27
4. Step 4: Simplify right side
   151,649.47x = 17,509,633,172.11
5. Step 5: Solve for x
   x = 17,509,633,172.11/151,649.47
6. Step 6: Final answer
   x = 115,461.22