Finding the Fourth Proportional to 151,648.02, 209,272.28 and 83,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   151,648.02 : 209,272.28 = 83,667.86 : x
2. Step 2: Convert to fraction form
   151,648.02/209,272.28 = 83,667.86/x
3. Step 3: Cross multiply
   151,648.02x = 209,272.28 × 83,667.86
4. Step 4: Simplify right side
   151,648.02x = 17,509,362,360.22
5. Step 5: Solve for x
   x = 17,509,362,360.22/151,648.02
6. Step 6: Final answer
   x = 115,460.54