Finding the Fourth Proportional to 109,469.72, 151,068.13 and 59,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,469.72 : 151,068.13 = 59,168.72 : x
2. Step 2: Convert to fraction form
   109,469.72/151,068.13 = 59,168.72/x
3. Step 3: Cross multiply
   109,469.72x = 151,068.13 × 59,168.72
4. Step 4: Simplify right side
   109,469.72x = 8,938,507,884.89
5. Step 5: Solve for x
   x = 8,938,507,884.89/109,469.72
6. Step 6: Final answer
   x = 81,652.79