Finding the Fourth Proportional to 151,652.72, 209,281.46 and 83,670.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,652.72 : 209,281.46 = 83,670.52 : x
2. Step 2: Convert to fraction form
   151,652.72/209,281.46 = 83,670.52/x
3. Step 3: Cross multiply
   151,652.72x = 209,281.46 × 83,670.52
4. Step 4: Simplify right side
   151,652.72x = 17,510,688,584.56
5. Step 5: Solve for x
   x = 17,510,688,584.56/151,652.72
6. Step 6: Final answer
   x = 115,465.71