Finding the Fourth Proportional to 99,882.42, 149,663.94 and 69,953.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,882.42 : 149,663.94 = 69,953.10 : x
2. Step 2: Convert to fraction form
   99,882.42/149,663.94 = 69,953.10/x
3. Step 3: Cross multiply
   99,882.42x = 149,663.94 × 69,953.10
4. Step 4: Simplify right side
   99,882.42x = 10,469,456,561.21
5. Step 5: Solve for x
   x = 10,469,456,561.21/99,882.42
6. Step 6: Final answer
   x = 104,817.81