Finding the Fourth Proportional to 136,140,150.69, 204,210,109.40 and 49,885,308.09

Step by Step Solution

1. Step 1: Write the proportion equation
   136,140,150.69 : 204,210,109.40 = 49,885,308.09 : x
2. Step 2: Convert to fraction form
   136,140,150.69/204,210,109.40 = 49,885,308.09/x
3. Step 3: Cross multiply
   136,140,150.69x = 204,210,109.40 × 49,885,308.09
4. Step 4: Simplify right side
   136,140,150.69x = 10,187,084,222,262,180
5. Step 5: Solve for x
   x = 10,187,084,222,262,180/136,140,150.69
6. Step 6: Final answer
   x = 74,827,919.40