Finding the Fourth Proportional to 37,142.83, 51,256.67 and 20,146.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142.83 : 51,256.67 = 20,146.76 : x
2. Step 2: Convert to fraction form
   37,142.83/51,256.67 = 20,146.76/x
3. Step 3: Cross multiply
   37,142.83x = 51,256.67 × 20,146.76
4. Step 4: Simplify right side
   37,142.83x = 1,032,655,828.89
5. Step 5: Solve for x
   x = 1,032,655,828.89/37,142.83
6. Step 6: Final answer
   x = 27,802.29