Finding the Fourth Proportional to 156,965.69, 235,443.27 and 68,219.19

Step by Step Solution

1. Step 1: Write the proportion equation
   156,965.69 : 235,443.27 = 68,219.19 : x
2. Step 2: Convert to fraction form
   156,965.69/235,443.27 = 68,219.19/x
3. Step 3: Cross multiply
   156,965.69x = 235,443.27 × 68,219.19
4. Step 4: Simplify right side
   156,965.69x = 16,061,749,426.17
5. Step 5: Solve for x
   x = 16,061,749,426.17/156,965.69
6. Step 6: Final answer
   x = 102,326.50