Finding the Fourth Proportional to 42,826.02, 64,252.17 and 19,153.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,826.02 : 64,252.17 = 19,153.48 : x
2. Step 2: Convert to fraction form
   42,826.02/64,252.17 = 19,153.48/x
3. Step 3: Cross multiply
   42,826.02x = 64,252.17 × 19,153.48
4. Step 4: Simplify right side
   42,826.02x = 1,230,652,583.98
5. Step 5: Solve for x
   x = 1,230,652,583.98/42,826.02
6. Step 6: Final answer
   x = 28,736.09