Finding the Fourth Proportional to 34,536.78, 51,795.18 and 21,878.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,536.78 : 51,795.18 = 21,878.10 : x
2. Step 2: Convert to fraction form
   34,536.78/51,795.18 = 21,878.10/x
3. Step 3: Cross multiply
   34,536.78x = 51,795.18 × 21,878.10
4. Step 4: Simplify right side
   34,536.78x = 1,133,180,127.56
5. Step 5: Solve for x
   x = 1,133,180,127.56/34,536.78
6. Step 6: Final answer
   x = 32,810.82