Finding the Fourth Proportional to 151,649.72, 209,277.32 and 83,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,649.72 : 209,277.32 = 83,667.52 : x
2. Step 2: Convert to fraction form
   151,649.72/209,277.32 = 83,667.52/x
3. Step 3: Cross multiply
   151,649.72x = 209,277.32 × 83,667.52
4. Step 4: Simplify right side
   151,649.72x = 17,509,714,356.65
5. Step 5: Solve for x
   x = 17,509,714,356.65/151,649.72
6. Step 6: Final answer
   x = 115,461.57