Finding the Fourth Proportional to 10,156.19, 14,015.70 and 5,679.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.19 : 14,015.70 = 5,679.45 : x
2. Step 2: Convert to fraction form
   10,156.19/14,015.70 = 5,679.45/x
3. Step 3: Cross multiply
   10,156.19x = 14,015.70 × 5,679.45
4. Step 4: Simplify right side
   10,156.19x = 79,601,467.37
5. Step 5: Solve for x
   x = 79,601,467.37/10,156.19
6. Step 6: Final answer
   x = 7,837.73