Finding the Fourth Proportional to 78,150.55, 107,841.79 and 47,519.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,150.55 : 107,841.79 = 47,519.39 : x
2. Step 2: Convert to fraction form
   78,150.55/107,841.79 = 47,519.39/x
3. Step 3: Cross multiply
   78,150.55x = 107,841.79 × 47,519.39
4. Step 4: Simplify right side
   78,150.55x = 5,124,576,077.31
5. Step 5: Solve for x
   x = 5,124,576,077.31/78,150.55
6. Step 6: Final answer
   x = 65,573.13