Finding the Fourth Proportional to 89,201,904.45, 133,806,485.03 and 42,491,377.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,201,904.45 : 133,806,485.03 = 42,491,377.59 : x
2. Step 2: Convert to fraction form
   89,201,904.45/133,806,485.03 = 42,491,377.59/x
3. Step 3: Cross multiply
   89,201,904.45x = 133,806,485.03 × 42,491,377.59
4. Step 4: Simplify right side
   89,201,904.45x = 5,685,621,879,187,956
5. Step 5: Solve for x
   x = 5,685,621,879,187,956/89,201,904.45
6. Step 6: Final answer
   x = 63,738,794.75