Finding the Fourth Proportional to 51,070.35, 70,476.06 and 28,408.86

Step by Step Solution

1. Step 1: Write the proportion equation
   51,070.35 : 70,476.06 = 28,408.86 : x
2. Step 2: Convert to fraction form
   51,070.35/70,476.06 = 28,408.86/x
3. Step 3: Cross multiply
   51,070.35x = 70,476.06 × 28,408.86
4. Step 4: Simplify right side
   51,070.35x = 2,002,144,521.89
5. Step 5: Solve for x
   x = 2,002,144,521.89/51,070.35
6. Step 6: Final answer
   x = 39,203.66