Finding the Fourth Proportional to 99,448.01, 149,172.11 and 69,997.29

Step by Step Solution

1. Step 1: Write the proportion equation
   99,448.01 : 149,172.11 = 69,997.29 : x
2. Step 2: Convert to fraction form
   99,448.01/149,172.11 = 69,997.29/x
3. Step 3: Cross multiply
   99,448.01x = 149,172.11 × 69,997.29
4. Step 4: Simplify right side
   99,448.01x = 10,441,643,443.58
5. Step 5: Solve for x
   x = 10,441,643,443.58/99,448.01
6. Step 6: Final answer
   x = 104,996.00