Finding the Fourth Proportional to 104,665.72, 156,998.62 and 25,781.48

Step by Step Solution

1. Step 1: Write the proportion equation
   104,665.72 : 156,998.62 = 25,781.48 : x
2. Step 2: Convert to fraction form
   104,665.72/156,998.62 = 25,781.48/x
3. Step 3: Cross multiply
   104,665.72x = 156,998.62 × 25,781.48
4. Step 4: Simplify right side
   104,665.72x = 4,047,656,781.56
5. Step 5: Solve for x
   x = 4,047,656,781.56/104,665.72
6. Step 6: Final answer
   x = 38,672.23