Finding the Fourth Proportional to 42,051.24, 63,075 and 10,460.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,051.24 : 63,075 = 10,460.64 : x
2. Step 2: Convert to fraction form
   42,051.24/63,075 = 10,460.64/x
3. Step 3: Cross multiply
   42,051.24x = 63,075 × 10,460.64
4. Step 4: Simplify right side
   42,051.24x = 659,804,868
5. Step 5: Solve for x
   x = 659,804,868/42,051.24
6. Step 6: Final answer
   x = 15,690.50