Finding the Fourth Proportional to 102,483.37, 141,427.24 and 57,164.28

Step by Step Solution

1. Step 1: Write the proportion equation
   102,483.37 : 141,427.24 = 57,164.28 : x
2. Step 2: Convert to fraction form
   102,483.37/141,427.24 = 57,164.28/x
3. Step 3: Cross multiply
   102,483.37x = 141,427.24 × 57,164.28
4. Step 4: Simplify right side
   102,483.37x = 8,084,586,061.17
5. Step 5: Solve for x
   x = 8,084,586,061.17/102,483.37
6. Step 6: Final answer
   x = 78,886.81