Finding the Fourth Proportional to 99,449.01, 149,173.61 and 69,998.29

Step by Step Solution

1. Step 1: Write the proportion equation
   99,449.01 : 149,173.61 = 69,998.29 : x
2. Step 2: Convert to fraction form
   99,449.01/149,173.61 = 69,998.29/x
3. Step 3: Cross multiply
   99,449.01x = 149,173.61 × 69,998.29
4. Step 4: Simplify right side
   99,449.01x = 10,441,897,613.13
5. Step 5: Solve for x
   x = 10,441,897,613.13/99,449.01
6. Step 6: Final answer
   x = 104,997.50