Finding the Fourth Proportional to 30,648,785.69, 42,269,302.49 and 25,898,200.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,648,785.69 : 42,269,302.49 = 25,898,200.49 : x
2. Step 2: Convert to fraction form
   30,648,785.69/42,269,302.49 = 25,898,200.49/x
3. Step 3: Cross multiply
   30,648,785.69x = 42,269,302.49 × 25,898,200.49
4. Step 4: Simplify right side
   30,648,785.69x = 1,094,698,870,117,638.62
5. Step 5: Solve for x
   x = 1,094,698,870,117,638.62/30,648,785.69
6. Step 6: Final answer
   x = 35,717,528.30