Finding the Fourth Proportional to 326,664,667.59, 450,700,533.61 and 194,399,631.51

Step by Step Solution

1. Step 1: Write the proportion equation
   326,664,667.59 : 450,700,533.61 = 194,399,631.51 : x
2. Step 2: Convert to fraction form
   326,664,667.59/450,700,533.61 = 194,399,631.51/x
3. Step 3: Cross multiply
   326,664,667.59x = 450,700,533.61 × 194,399,631.51
4. Step 4: Simplify right side
   326,664,667.59x = 87,616,017,655,144,368
5. Step 5: Solve for x
   x = 87,616,017,655,144,368/326,664,667.59
6. Step 6: Final answer
   x = 268,213,940.31