Finding the Fourth Proportional to 51,111.93, 70,535.27 and 28,451.18

Step by Step Solution

1. Step 1: Write the proportion equation
   51,111.93 : 70,535.27 = 28,451.18 : x
2. Step 2: Convert to fraction form
   51,111.93/70,535.27 = 28,451.18/x
3. Step 3: Cross multiply
   51,111.93x = 70,535.27 × 28,451.18
4. Step 4: Simplify right side
   51,111.93x = 2,006,811,168.19
5. Step 5: Solve for x
   x = 2,006,811,168.19/51,111.93
6. Step 6: Final answer
   x = 39,263.07