Finding the Fourth Proportional to 35,238.96, 48,651.12 and 21,096.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,238.96 : 48,651.12 = 21,096.72 : x
2. Step 2: Convert to fraction form
   35,238.96/48,651.12 = 21,096.72/x
3. Step 3: Cross multiply
   35,238.96x = 48,651.12 × 21,096.72
4. Step 4: Simplify right side
   35,238.96x = 1,026,379,056.33
5. Step 5: Solve for x
   x = 1,026,379,056.33/35,238.96
6. Step 6: Final answer
   x = 29,126.26