Finding the Fourth Proportional to 37,919.51, 52,328.86 and 20,923.74

Step by Step Solution

1. Step 1: Write the proportion equation
   37,919.51 : 52,328.86 = 20,923.74 : x
2. Step 2: Convert to fraction form
   37,919.51/52,328.86 = 20,923.74/x
3. Step 3: Cross multiply
   37,919.51x = 52,328.86 × 20,923.74
4. Step 4: Simplify right side
   37,919.51x = 1,094,915,210.15
5. Step 5: Solve for x
   x = 1,094,915,210.15/37,919.51
6. Step 6: Final answer
   x = 28,874.72