Finding the Fourth Proportional to 37,071.29, 51,162.06 and 21,158.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,071.29 : 51,162.06 = 21,158.15 : x
2. Step 2: Convert to fraction form
   37,071.29/51,162.06 = 21,158.15/x
3. Step 3: Cross multiply
   37,071.29x = 51,162.06 × 21,158.15
4. Step 4: Simplify right side
   37,071.29x = 1,082,494,539.79
5. Step 5: Solve for x
   x = 1,082,494,539.79/37,071.29
6. Step 6: Final answer
   x = 29,200.35