Finding the Fourth Proportional to 116,383.07, 160,670.01 and 78,342.62

Step by Step Solution

1. Step 1: Write the proportion equation
   116,383.07 : 160,670.01 = 78,342.62 : x
2. Step 2: Convert to fraction form
   116,383.07/160,670.01 = 78,342.62/x
3. Step 3: Cross multiply
   116,383.07x = 160,670.01 × 78,342.62
4. Step 4: Simplify right side
   116,383.07x = 12,587,309,538.83
5. Step 5: Solve for x
   x = 12,587,309,538.83/116,383.07
6. Step 6: Final answer
   x = 108,154.13