Finding the Fourth Proportional to 57,091,064.05, 78,785,744.81 and 30,985,582.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,091,064.05 : 78,785,744.81 = 30,985,582.25 : x
2. Step 2: Convert to fraction form
   57,091,064.05/78,785,744.81 = 30,985,582.25/x
3. Step 3: Cross multiply
   57,091,064.05x = 78,785,744.81 × 30,985,582.25
4. Step 4: Simplify right side
   57,091,064.05x = 2,441,222,175,937,765.50
5. Step 5: Solve for x
   x = 2,441,222,175,937,765.50/57,091,064.05
6. Step 6: Final answer
   x = 42,760,144.98