Finding the Fourth Proportional to 137,570.15, 189,842.86 and 83,835.56

Step by Step Solution

1. Step 1: Write the proportion equation
   137,570.15 : 189,842.86 = 83,835.56 : x
2. Step 2: Convert to fraction form
   137,570.15/189,842.86 = 83,835.56/x
3. Step 3: Cross multiply
   137,570.15x = 189,842.86 × 83,835.56
4. Step 4: Simplify right side
   137,570.15x = 15,915,582,480.10
5. Step 5: Solve for x
   x = 15,915,582,480.10/137,570.15
6. Step 6: Final answer
   x = 115,690.67