Finding the Fourth Proportional to 51,091.58, 70,510.74 and 28,429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   51,091.58 : 70,510.74 = 28,429.94 : x
2. Step 2: Convert to fraction form
   51,091.58/70,510.74 = 28,429.94/x
3. Step 3: Cross multiply
   51,091.58x = 70,510.74 × 28,429.94
4. Step 4: Simplify right side
   51,091.58x = 2,004,616,107.56
5. Step 5: Solve for x
   x = 2,004,616,107.56/51,091.58
6. Step 6: Final answer
   x = 39,235.74