Finding the Fourth Proportional to 35,388.82, 53,051.56 and 12,883.62

Step by Step Solution

1. Step 1: Write the proportion equation
   35,388.82 : 53,051.56 = 12,883.62 : x
2. Step 2: Convert to fraction form
   35,388.82/53,051.56 = 12,883.62/x
3. Step 3: Cross multiply
   35,388.82x = 53,051.56 × 12,883.62
4. Step 4: Simplify right side
   35,388.82x = 683,496,075.03
5. Step 5: Solve for x
   x = 683,496,075.03/35,388.82
6. Step 6: Final answer
   x = 19,313.90