Finding the Fourth Proportional to 147,478.50, 203,537.61 and 83,825.87

Step by Step Solution

1. Step 1: Write the proportion equation
   147,478.50 : 203,537.61 = 83,825.87 : x
2. Step 2: Convert to fraction form
   147,478.50/203,537.61 = 83,825.87/x
3. Step 3: Cross multiply
   147,478.50x = 203,537.61 × 83,825.87
4. Step 4: Simplify right side
   147,478.50x = 17,061,716,218.28
5. Step 5: Solve for x
   x = 17,061,716,218.28/147,478.50
6. Step 6: Final answer
   x = 115,689.52