Finding the Fourth Proportional to 109,796.18, 164,568.78 and 49,870.35

Step by Step Solution

1. Step 1: Write the proportion equation
   109,796.18 : 164,568.78 = 49,870.35 : x
2. Step 2: Convert to fraction form
   109,796.18/164,568.78 = 49,870.35/x
3. Step 3: Cross multiply
   109,796.18x = 164,568.78 × 49,870.35
4. Step 4: Simplify right side
   109,796.18x = 8,207,102,657.67
5. Step 5: Solve for x
   x = 8,207,102,657.67/109,796.18
6. Step 6: Final answer
   x = 74,748.53