Finding the Fourth Proportional to 143,095.95, 197,432.37 and 89,435.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,095.95 : 197,432.37 = 89,435.48 : x
2. Step 2: Convert to fraction form
   143,095.95/197,432.37 = 89,435.48/x
3. Step 3: Cross multiply
   143,095.95x = 197,432.37 × 89,435.48
4. Step 4: Simplify right side
   143,095.95x = 17,657,457,791.33
5. Step 5: Solve for x
   x = 17,657,457,791.33/143,095.95
6. Step 6: Final answer
   x = 123,395.93