Finding the Fourth Proportional to 133,385.32, 184,128.42 and 83,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   133,385.32 : 184,128.42 = 83,109.16 : x
2. Step 2: Convert to fraction form
   133,385.32/184,128.42 = 83,109.16/x
3. Step 3: Cross multiply
   133,385.32x = 184,128.42 × 83,109.16
4. Step 4: Simplify right side
   133,385.32x = 15,302,758,318.33
5. Step 5: Solve for x
   x = 15,302,758,318.33/133,385.32
6. Step 6: Final answer
   x = 114,725.96