Finding the Fourth Proportional to 37,065.12, 51,146.04 and 21,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,065.12 : 51,146.04 = 21,146.50 : x
2. Step 2: Convert to fraction form
   37,065.12/51,146.04 = 21,146.50/x
3. Step 3: Cross multiply
   37,065.12x = 51,146.04 × 21,146.50
4. Step 4: Simplify right side
   37,065.12x = 1,081,559,734.86
5. Step 5: Solve for x
   x = 1,081,559,734.86/37,065.12
6. Step 6: Final answer
   x = 29,179.99