Finding the Fourth Proportional to 37,401.64, 51,618.83 and 21,486.05

Step by Step Solution

1. Step 1: Write the proportion equation
   37,401.64 : 51,618.83 = 21,486.05 : x
2. Step 2: Convert to fraction form
   37,401.64/51,618.83 = 21,486.05/x
3. Step 3: Cross multiply
   37,401.64x = 51,618.83 × 21,486.05
4. Step 4: Simplify right side
   37,401.64x = 1,109,084,654.89
5. Step 5: Solve for x
   x = 1,109,084,654.89/37,401.64
6. Step 6: Final answer
   x = 29,653.37