Finding the Fourth Proportional to 37,945.51, 52,364.56 and 20,950.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,945.51 : 52,364.56 = 20,950.81 : x
2. Step 2: Convert to fraction form
   37,945.51/52,364.56 = 20,950.81/x
3. Step 3: Cross multiply
   37,945.51x = 52,364.56 × 20,950.81
4. Step 4: Simplify right side
   37,945.51x = 1,097,080,259.86
5. Step 5: Solve for x
   x = 1,097,080,259.86/37,945.51
6. Step 6: Final answer
   x = 28,911.99