Finding the Fourth Proportional to 99,884.42, 149,666.94 and 69,955.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,884.42 : 149,666.94 = 69,955.10 : x
2. Step 2: Convert to fraction form
   99,884.42/149,666.94 = 69,955.10/x
3. Step 3: Cross multiply
   99,884.42x = 149,666.94 × 69,955.10
4. Step 4: Simplify right side
   99,884.42x = 10,469,965,754.39
5. Step 5: Solve for x
   x = 10,469,965,754.39/99,884.42
6. Step 6: Final answer
   x = 104,820.81