Finding the Fourth Proportional to 37,005.76, 51,068.16 and 21,898.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,005.76 : 51,068.16 = 21,898.24 : x
2. Step 2: Convert to fraction form
   37,005.76/51,068.16 = 21,898.24/x
3. Step 3: Cross multiply
   37,005.76x = 51,068.16 × 21,898.24
4. Step 4: Simplify right side
   37,005.76x = 1,118,302,824.04
5. Step 5: Solve for x
   x = 1,118,302,824.04/37,005.76
6. Step 6: Final answer
   x = 30,219.70