Finding the Fourth Proportional to 78,007.50, 107,606.61 and 47,807.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,007.50 : 107,606.61 = 47,807.46 : x
2. Step 2: Convert to fraction form
   78,007.50/107,606.61 = 47,807.46/x
3. Step 3: Cross multiply
   78,007.50x = 107,606.61 × 47,807.46
4. Step 4: Simplify right side
   78,007.50x = 5,144,398,703.31
5. Step 5: Solve for x
   x = 5,144,398,703.31/78,007.50
6. Step 6: Final answer
   x = 65,947.49