Finding the Fourth Proportional to 103,667.52, 143,105.32 and 69,695.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,667.52 : 143,105.32 = 69,695.72 : x
2. Step 2: Convert to fraction form
   103,667.52/143,105.32 = 69,695.72/x
3. Step 3: Cross multiply
   103,667.52x = 143,105.32 × 69,695.72
4. Step 4: Simplify right side
   103,667.52x = 9,973,828,313.23
5. Step 5: Solve for x
   x = 9,973,828,313.23/103,667.52
6. Step 6: Final answer
   x = 96,209.77