Finding the Fourth Proportional to 10,059.18, 15,077.83 and 5,122.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,059.18 : 15,077.83 = 5,122.02 : x
2. Step 2: Convert to fraction form
   10,059.18/15,077.83 = 5,122.02/x
3. Step 3: Cross multiply
   10,059.18x = 15,077.83 × 5,122.02
4. Step 4: Simplify right side
   10,059.18x = 77,228,946.82
5. Step 5: Solve for x
   x = 77,228,946.82/10,059.18
6. Step 6: Final answer
   x = 7,677.46