Finding the Fourth Proportional to 143,514,150.67, 215,302,621.43 and 46,479,667.11

Step by Step Solution

1. Step 1: Write the proportion equation
   143,514,150.67 : 215,302,621.43 = 46,479,667.11 : x
2. Step 2: Convert to fraction form
   143,514,150.67/215,302,621.43 = 46,479,667.11/x
3. Step 3: Cross multiply
   143,514,150.67x = 215,302,621.43 × 46,479,667.11
4. Step 4: Simplify right side
   143,514,150.67x = 10,007,194,171,976,752
5. Step 5: Solve for x
   x = 10,007,194,171,976,752/143,514,150.67
6. Step 6: Final answer
   x = 69,729,668.64