Finding the Fourth Proportional to 150,916.50, 208,271.25 and 83,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,916.50 : 208,271.25 = 83,848.50 : x
2. Step 2: Convert to fraction form
   150,916.50/208,271.25 = 83,848.50/x
3. Step 3: Cross multiply
   150,916.50x = 208,271.25 × 83,848.50
4. Step 4: Simplify right side
   150,916.50x = 17,463,231,905.63
5. Step 5: Solve for x
   x = 17,463,231,905.63/150,916.50
6. Step 6: Final answer
   x = 115,714.53