Finding the Fourth Proportional to 162,104.82, 243,263.91 and 56,920.98

Step by Step Solution

1. Step 1: Write the proportion equation
   162,104.82 : 243,263.91 = 56,920.98 : x
2. Step 2: Convert to fraction form
   162,104.82/243,263.91 = 56,920.98/x
3. Step 3: Cross multiply
   162,104.82x = 243,263.91 × 56,920.98
4. Step 4: Simplify right side
   162,104.82x = 13,846,820,155.83
5. Step 5: Solve for x
   x = 13,846,820,155.83/162,104.82
6. Step 6: Final answer
   x = 85,418.93