Finding the Fourth Proportional to 151,755.56, 209,411.93 and 83,761.63

Step by Step Solution

1. Step 1: Write the proportion equation
   151,755.56 : 209,411.93 = 83,761.63 : x
2. Step 2: Convert to fraction form
   151,755.56/209,411.93 = 83,761.63/x
3. Step 3: Cross multiply
   151,755.56x = 209,411.93 × 83,761.63
4. Step 4: Simplify right side
   151,755.56x = 17,540,684,284.12
5. Step 5: Solve for x
   x = 17,540,684,284.12/151,755.56
6. Step 6: Final answer
   x = 115,585.12