Finding the Fourth Proportional to 147,064.72, 202,949.31 and 83,402.52

Step by Step Solution

1. Step 1: Write the proportion equation
   147,064.72 : 202,949.31 = 83,402.52 : x
2. Step 2: Convert to fraction form
   147,064.72/202,949.31 = 83,402.52/x
3. Step 3: Cross multiply
   147,064.72x = 202,949.31 × 83,402.52
4. Step 4: Simplify right side
   147,064.72x = 16,926,483,080.02
5. Step 5: Solve for x
   x = 16,926,483,080.02/147,064.72
6. Step 6: Final answer
   x = 115,095.47