Finding the Fourth Proportional to 109,780.56, 164,680.56 and 30,895.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,780.56 : 164,680.56 = 30,895.47 : x
2. Step 2: Convert to fraction form
   109,780.56/164,680.56 = 30,895.47/x
3. Step 3: Cross multiply
   109,780.56x = 164,680.56 × 30,895.47
4. Step 4: Simplify right side
   109,780.56x = 5,087,883,301.06
5. Step 5: Solve for x
   x = 5,087,883,301.06/109,780.56
6. Step 6: Final answer
   x = 46,345.94