Finding the Fourth Proportional to 37,612.84, 51,903.72 and 21,696.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,612.84 : 51,903.72 = 21,696.34 : x
2. Step 2: Convert to fraction form
   37,612.84/51,903.72 = 21,696.34/x
3. Step 3: Cross multiply
   37,612.84x = 51,903.72 × 21,696.34
4. Step 4: Simplify right side
   37,612.84x = 1,126,120,756.38
5. Step 5: Solve for x
   x = 1,126,120,756.38/37,612.84
6. Step 6: Final answer
   x = 29,939.80