Finding the Fourth Proportional to 82,956.10, 124,434.15 and 69,996.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,956.10 : 124,434.15 = 69,996.10 : x
2. Step 2: Convert to fraction form
   82,956.10/124,434.15 = 69,996.10/x
3. Step 3: Cross multiply
   82,956.10x = 124,434.15 × 69,996.10
4. Step 4: Simplify right side
   82,956.10x = 8,709,905,206.82
5. Step 5: Solve for x
   x = 8,709,905,206.82/82,956.10
6. Step 6: Final answer
   x = 104,994.15