Finding the Fourth Proportional to 121,570.02, 167,843.67 and 83,393.52

Step by Step Solution

1. Step 1: Write the proportion equation
   121,570.02 : 167,843.67 = 83,393.52 : x
2. Step 2: Convert to fraction form
   121,570.02/167,843.67 = 83,393.52/x
3. Step 3: Cross multiply
   121,570.02x = 167,843.67 × 83,393.52
4. Step 4: Simplify right side
   121,570.02x = 13,997,074,451.02
5. Step 5: Solve for x
   x = 13,997,074,451.02/121,570.02
6. Step 6: Final answer
   x = 115,135.91