Finding the Fourth Proportional to 37,061.12, 51,146.16 and 21,148.67

Step by Step Solution

1. Step 1: Write the proportion equation
   37,061.12 : 51,146.16 = 21,148.67 : x
2. Step 2: Convert to fraction form
   37,061.12/51,146.16 = 21,148.67/x
3. Step 3: Cross multiply
   37,061.12x = 51,146.16 × 21,148.67
4. Step 4: Simplify right side
   37,061.12x = 1,081,673,259.61
5. Step 5: Solve for x
   x = 1,081,673,259.61/37,061.12
6. Step 6: Final answer
   x = 29,186.20