Finding the Fourth Proportional to 109,706.72, 151,395.01 and 59,405.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,706.72 : 151,395.01 = 59,405.72 : x
2. Step 2: Convert to fraction form
   109,706.72/151,395.01 = 59,405.72/x
3. Step 3: Cross multiply
   109,706.72x = 151,395.01 × 59,405.72
4. Step 4: Simplify right side
   109,706.72x = 8,993,728,667.97
5. Step 5: Solve for x
   x = 8,993,728,667.97/109,706.72
6. Step 6: Final answer
   x = 81,979.75