Finding the Fourth Proportional to 99,447.01, 149,170.61 and 69,996.29

Step by Step Solution

1. Step 1: Write the proportion equation
   99,447.01 : 149,170.61 = 69,996.29 : x
2. Step 2: Convert to fraction form
   99,447.01/149,170.61 = 69,996.29/x
3. Step 3: Cross multiply
   99,447.01x = 149,170.61 × 69,996.29
4. Step 4: Simplify right side
   99,447.01x = 10,441,388,706.17
5. Step 5: Solve for x
   x = 10,441,388,706.17/99,447.01
6. Step 6: Final answer
   x = 104,994.50