Finding the Fourth Proportional to 37,872.06, 52,263.81 and 20,876.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,872.06 : 52,263.81 = 20,876.96 : x
2. Step 2: Convert to fraction form
   37,872.06/52,263.81 = 20,876.96/x
3. Step 3: Cross multiply
   37,872.06x = 52,263.81 × 20,876.96
4. Step 4: Simplify right side
   37,872.06x = 1,091,109,470.82
5. Step 5: Solve for x
   x = 1,091,109,470.82/37,872.06
6. Step 6: Final answer
   x = 28,810.41