Finding the Fourth Proportional to 42,075.40, 63,116.46 and 13,994.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,075.40 : 63,116.46 = 13,994.44 : x
2. Step 2: Convert to fraction form
   42,075.40/63,116.46 = 13,994.44/x
3. Step 3: Cross multiply
   42,075.40x = 63,116.46 × 13,994.44
4. Step 4: Simplify right side
   42,075.40x = 883,279,126.93
5. Step 5: Solve for x
   x = 883,279,126.93/42,075.40
6. Step 6: Final answer
   x = 20,992.77