Finding the Fourth Proportional to 167,978.56, 231,793.60 and 103,437.46

Step by Step Solution

1. Step 1: Write the proportion equation
   167,978.56 : 231,793.60 = 103,437.46 : x
2. Step 2: Convert to fraction form
   167,978.56/231,793.60 = 103,437.46/x
3. Step 3: Cross multiply
   167,978.56x = 231,793.60 × 103,437.46
4. Step 4: Simplify right side
   167,978.56x = 23,976,140,149.51
5. Step 5: Solve for x
   x = 23,976,140,149.51/167,978.56
6. Step 6: Final answer
   x = 142,733.34