Finding the Fourth Proportional to 64,947,434.58, 89,627,565.56 and 35,578,122.48

Step by Step Solution

1. Step 1: Write the proportion equation
   64,947,434.58 : 89,627,565.56 = 35,578,122.48 : x
2. Step 2: Convert to fraction form
   64,947,434.58/89,627,565.56 = 35,578,122.48/x
3. Step 3: Cross multiply
   64,947,434.58x = 89,627,565.56 × 35,578,122.48
4. Step 4: Simplify right side
   64,947,434.58x = 3,188,780,504,900,019
5. Step 5: Solve for x
   x = 3,188,780,504,900,019/64,947,434.58
6. Step 6: Final answer
   x = 49,097,867.00