Finding the Fourth Proportional to 144,343, 216,604.71 and 69,471.06

Step by Step Solution

1. Step 1: Write the proportion equation
   144,343 : 216,604.71 = 69,471.06 : x
2. Step 2: Convert to fraction form
   144,343/216,604.71 = 69,471.06/x
3. Step 3: Cross multiply
   144,343x = 216,604.71 × 69,471.06
4. Step 4: Simplify right side
   144,343x = 15,047,758,804.69
5. Step 5: Solve for x
   x = 15,047,758,804.69/144,343
6. Step 6: Final answer
   x = 104,250.01