Finding the Fourth Proportional to 78,038.82, 107,674.84 and 47,411.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,038.82 : 107,674.84 = 47,411.30 : x
2. Step 2: Convert to fraction form
   78,038.82/107,674.84 = 47,411.30/x
3. Step 3: Cross multiply
   78,038.82x = 107,674.84 × 47,411.30
4. Step 4: Simplify right side
   78,038.82x = 5,105,004,141.69
5. Step 5: Solve for x
   x = 5,105,004,141.69/78,038.82
6. Step 6: Final answer
   x = 65,416.21