Finding the Fourth Proportional to 102,100.96, 153,051.45 and 57,144.27

Step by Step Solution

1. Step 1: Write the proportion equation
   102,100.96 : 153,051.45 = 57,144.27 : x
2. Step 2: Convert to fraction form
   102,100.96/153,051.45 = 57,144.27/x
3. Step 3: Cross multiply
   102,100.96x = 153,051.45 × 57,144.27
4. Step 4: Simplify right side
   102,100.96x = 8,746,012,714.34
5. Step 5: Solve for x
   x = 8,746,012,714.34/102,100.96
6. Step 6: Final answer
   x = 85,660.44