Finding the Fourth Proportional to 151,592.34, 209,197.34 and 83,613.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,592.34 : 209,197.34 = 83,613.72 : x
2. Step 2: Convert to fraction form
   151,592.34/209,197.34 = 83,613.72/x
3. Step 3: Cross multiply
   151,592.34x = 209,197.34 × 83,613.72
4. Step 4: Simplify right side
   151,592.34x = 17,491,767,811.50
5. Step 5: Solve for x
   x = 17,491,767,811.50/151,592.34
6. Step 6: Final answer
   x = 115,386.88