Finding the Fourth Proportional to 37,406.38, 56,109.50 and 21,813.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,406.38 : 56,109.50 = 21,813.07 : x
2. Step 2: Convert to fraction form
   37,406.38/56,109.50 = 21,813.07/x
3. Step 3: Cross multiply
   37,406.38x = 56,109.50 × 21,813.07
4. Step 4: Simplify right side
   37,406.38x = 1,223,920,061.55
5. Step 5: Solve for x
   x = 1,223,920,061.55/37,406.38
6. Step 6: Final answer
   x = 32,719.56