Finding the Fourth Proportional to 140,870,499.10, 211,305,748.65 and 97,823,778.10

Step by Step Solution

1. Step 1: Write the proportion equation
   140,870,499.10 : 211,305,748.65 = 97,823,778.10 : x
2. Step 2: Convert to fraction form
   140,870,499.10/211,305,748.65 = 97,823,778.10/x
3. Step 3: Cross multiply
   140,870,499.10x = 211,305,748.65 × 97,823,778.10
4. Step 4: Simplify right side
   140,870,499.10x = 20,670,726,667,191,972
5. Step 5: Solve for x
   x = 20,670,726,667,191,972/140,870,499.10
6. Step 6: Final answer
   x = 146,735,667.15