Finding the Fourth Proportional to 10,077.79, 13,907.81 and 5,601.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.79 : 13,907.81 = 5,601.98 : x
2. Step 2: Convert to fraction form
   10,077.79/13,907.81 = 5,601.98/x
3. Step 3: Cross multiply
   10,077.79x = 13,907.81 × 5,601.98
4. Step 4: Simplify right side
   10,077.79x = 77,911,273.46
5. Step 5: Solve for x
   x = 77,911,273.46/10,077.79
6. Step 6: Final answer
   x = 7,730.99