Finding the Fourth Proportional to 37,042.31, 51,117.87 and 21,127.02

Step by Step Solution

1. Step 1: Write the proportion equation
   37,042.31 : 51,117.87 = 21,127.02 : x
2. Step 2: Convert to fraction form
   37,042.31/51,117.87 = 21,127.02/x
3. Step 3: Cross multiply
   37,042.31x = 51,117.87 × 21,127.02
4. Step 4: Simplify right side
   37,042.31x = 1,079,968,156.21
5. Step 5: Solve for x
   x = 1,079,968,156.21/37,042.31
6. Step 6: Final answer
   x = 29,154.99