Finding the Fourth Proportional to 37,068.82, 51,142.32 and 21,141.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,068.82 : 51,142.32 = 21,141.78 : x
2. Step 2: Convert to fraction form
   37,068.82/51,142.32 = 21,141.78/x
3. Step 3: Cross multiply
   37,068.82x = 51,142.32 × 21,141.78
4. Step 4: Simplify right side
   37,068.82x = 1,081,239,678.13
5. Step 5: Solve for x
   x = 1,081,239,678.13/37,068.82
6. Step 6: Final answer
   x = 29,168.44