Finding the Fourth Proportional to 123,123.99, 169,911.11 and 69,409.01

Step by Step Solution

1. Step 1: Write the proportion equation
   123,123.99 : 169,911.11 = 69,409.01 : x
2. Step 2: Convert to fraction form
   123,123.99/169,911.11 = 69,409.01/x
3. Step 3: Cross multiply
   123,123.99x = 169,911.11 × 69,409.01
4. Step 4: Simplify right side
   123,123.99x = 11,793,362,531.40
5. Step 5: Solve for x
   x = 11,793,362,531.40/123,123.99
6. Step 6: Final answer
   x = 95,784.44