Finding the Fourth Proportional to 25,369.74, 35,024.31 and 15,300.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,369.74 : 35,024.31 = 15,300.72 : x
2. Step 2: Convert to fraction form
   25,369.74/35,024.31 = 15,300.72/x
3. Step 3: Cross multiply
   25,369.74x = 35,024.31 × 15,300.72
4. Step 4: Simplify right side
   25,369.74x = 535,897,160.50
5. Step 5: Solve for x
   x = 535,897,160.50/25,369.74
6. Step 6: Final answer
   x = 21,123.48