Finding the Fourth Proportional to 269,196.93, 371,491.79 and 156,085.29

Step by Step Solution

1. Step 1: Write the proportion equation
   269,196.93 : 371,491.79 = 156,085.29 : x
2. Step 2: Convert to fraction form
   269,196.93/371,491.79 = 156,085.29/x
3. Step 3: Cross multiply
   269,196.93x = 371,491.79 × 156,085.29
4. Step 4: Simplify right side
   269,196.93x = 57,984,402,994.34
5. Step 5: Solve for x
   x = 57,984,402,994.34/269,196.93
6. Step 6: Final answer
   x = 215,397.71