Finding the Fourth Proportional to 140,069, 210,105.34 and 46,574.76

Step by Step Solution

1. Step 1: Write the proportion equation
   140,069 : 210,105.34 = 46,574.76 : x
2. Step 2: Convert to fraction form
   140,069/210,105.34 = 46,574.76/x
3. Step 3: Cross multiply
   140,069x = 210,105.34 × 46,574.76
4. Step 4: Simplify right side
   140,069x = 9,785,605,785.22
5. Step 5: Solve for x
   x = 9,785,605,785.22/140,069
6. Step 6: Final answer
   x = 69,862.75