Finding the Fourth Proportional to 70,211.34, 105,258.69 and 49,091.00

Step by Step Solution

1. Step 1: Write the proportion equation
   70,211.34 : 105,258.69 = 49,091.00 : x
2. Step 2: Convert to fraction form
   70,211.34/105,258.69 = 49,091.00/x
3. Step 3: Cross multiply
   70,211.34x = 105,258.69 × 49,091.00
4. Step 4: Simplify right side
   70,211.34x = 5,167,253,824.50
5. Step 5: Solve for x
   x = 5,167,253,824.50/70,211.34
6. Step 6: Final answer
   x = 73,595.72