Finding the Fourth Proportional to 172,085.04, 237,428.82 and 103,146.48

Step by Step Solution

1. Step 1: Write the proportion equation
   172,085.04 : 237,428.82 = 103,146.48 : x
2. Step 2: Convert to fraction form
   172,085.04/237,428.82 = 103,146.48/x
3. Step 3: Cross multiply
   172,085.04x = 237,428.82 × 103,146.48
4. Step 4: Simplify right side
   172,085.04x = 24,489,947,033.55
5. Step 5: Solve for x
   x = 24,489,947,033.55/172,085.04
6. Step 6: Final answer
   x = 142,313.05