Finding the Fourth Proportional to 106,693.89, 159,068.42 and 103,967.43

Step by Step Solution

1. Step 1: Write the proportion equation
   106,693.89 : 159,068.42 = 103,967.43 : x
2. Step 2: Convert to fraction form
   106,693.89/159,068.42 = 103,967.43/x
3. Step 3: Cross multiply
   106,693.89x = 159,068.42 × 103,967.43
4. Step 4: Simplify right side
   106,693.89x = 16,537,934,301.72
5. Step 5: Solve for x
   x = 16,537,934,301.72/106,693.89
6. Step 6: Final answer
   x = 155,003.57