Finding the Fourth Proportional to 102,196.49, 153,288.41 and 38,142.16

Step by Step Solution

1. Step 1: Write the proportion equation
   102,196.49 : 153,288.41 = 38,142.16 : x
2. Step 2: Convert to fraction form
   102,196.49/153,288.41 = 38,142.16/x
3. Step 3: Cross multiply
   102,196.49x = 153,288.41 × 38,142.16
4. Step 4: Simplify right side
   102,196.49x = 5,846,750,486.43
5. Step 5: Solve for x
   x = 5,846,750,486.43/102,196.49
6. Step 6: Final answer
   x = 57,210.88