Finding the Fourth Proportional to 91,046,072.31, 136,613,949.82 and 42,516,873.09

Step by Step Solution

1. Step 1: Write the proportion equation
   91,046,072.31 : 136,613,949.82 = 42,516,873.09 : x
2. Step 2: Convert to fraction form
   91,046,072.31/136,613,949.82 = 42,516,873.09/x
3. Step 3: Cross multiply
   91,046,072.31x = 136,613,949.82 × 42,516,873.09
4. Step 4: Simplify right side
   91,046,072.31x = 5,808,397,967,337,942
5. Step 5: Solve for x
   x = 5,808,397,967,337,942/91,046,072.31
6. Step 6: Final answer
   x = 63,796,249.75