Finding the Fourth Proportional to 52,158.22, 78,109.72 and 47,103.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,158.22 : 78,109.72 = 47,103.82 : x
2. Step 2: Convert to fraction form
   52,158.22/78,109.72 = 47,103.82/x
3. Step 3: Cross multiply
   52,158.22x = 78,109.72 × 47,103.82
4. Step 4: Simplify right side
   52,158.22x = 3,679,265,878.10
5. Step 5: Solve for x
   x = 3,679,265,878.10/52,158.22
6. Step 6: Final answer
   x = 70,540.48