Finding the Fourth Proportional to 37,061.76, 51,149.52 and 21,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,061.76 : 51,149.52 = 21,148.50 : x
2. Step 2: Convert to fraction form
   37,061.76/51,149.52 = 21,148.50/x
3. Step 3: Cross multiply
   37,061.76x = 51,149.52 × 21,148.50
4. Step 4: Simplify right side
   37,061.76x = 1,081,735,623.72
5. Step 5: Solve for x
   x = 1,081,735,623.72/37,061.76
6. Step 6: Final answer
   x = 29,187.38