Finding the Fourth Proportional to 109,020.84, 150,411.42 and 70,828.44

Step by Step Solution

1. Step 1: Write the proportion equation
   109,020.84 : 150,411.42 = 70,828.44 : x
2. Step 2: Convert to fraction form
   109,020.84/150,411.42 = 70,828.44/x
3. Step 3: Cross multiply
   109,020.84x = 150,411.42 × 70,828.44
4. Step 4: Simplify right side
   109,020.84x = 10,653,406,236.78
5. Step 5: Solve for x
   x = 10,653,406,236.78/109,020.84
6. Step 6: Final answer
   x = 97,718.99