Finding the Fourth Proportional to 291,243,667.36, 401,913,544.71 and 159,084,613.30

Step by Step Solution

1. Step 1: Write the proportion equation
   291,243,667.36 : 401,913,544.71 = 159,084,613.30 : x
2. Step 2: Convert to fraction form
   291,243,667.36/401,913,544.71 = 159,084,613.30/x
3. Step 3: Cross multiply
   291,243,667.36x = 401,913,544.71 × 159,084,613.30
4. Step 4: Simplify right side
   291,243,667.36x = 63,938,260,840,222,616
5. Step 5: Solve for x
   x = 63,938,260,840,222,616/291,243,667.36
6. Step 6: Final answer
   x = 219,535,282.67