Finding the Fourth Proportional to 42,598.78, 63,898.25 and 42,537.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,598.78 : 63,898.25 = 42,537.29 : x
2. Step 2: Convert to fraction form
   42,598.78/63,898.25 = 42,537.29/x
3. Step 3: Cross multiply
   42,598.78x = 63,898.25 × 42,537.29
4. Step 4: Simplify right side
   42,598.78x = 2,718,057,858.56
5. Step 5: Solve for x
   x = 2,718,057,858.56/42,598.78
6. Step 6: Final answer
   x = 63,806.01