Finding the Fourth Proportional to 89,201,906.56, 133,806,488.32 and 42,491,379.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,201,906.56 : 133,806,488.32 = 42,491,379.84 : x
2. Step 2: Convert to fraction form
   89,201,906.56/133,806,488.32 = 42,491,379.84/x
3. Step 3: Cross multiply
   89,201,906.56x = 133,806,488.32 × 42,491,379.84
4. Step 4: Simplify right side
   89,201,906.56x = 5,685,622,320,261,644
5. Step 5: Solve for x
   x = 5,685,622,320,261,644/89,201,906.56
6. Step 6: Final answer
   x = 63,738,798.19