Finding the Fourth Proportional to 109,543.98, 164,314.27 and 56,205.18

Step by Step Solution

1. Step 1: Write the proportion equation
   109,543.98 : 164,314.27 = 56,205.18 : x
2. Step 2: Convert to fraction form
   109,543.98/164,314.27 = 56,205.18/x
3. Step 3: Cross multiply
   109,543.98x = 164,314.27 × 56,205.18
4. Step 4: Simplify right side
   109,543.98x = 9,235,312,981.41
5. Step 5: Solve for x
   x = 9,235,312,981.41/109,543.98
6. Step 6: Final answer
   x = 84,306.89