Finding the Fourth Proportional to 30,548,525.67, 42,158,478.78 and 18,949,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,548,525.67 : 42,158,478.78 = 18,949,826.25 : x
2. Step 2: Convert to fraction form
   30,548,525.67/42,158,478.78 = 18,949,826.25/x
3. Step 3: Cross multiply
   30,548,525.67x = 42,158,478.78 × 18,949,826.25
4. Step 4: Simplify right side
   30,548,525.67x = 798,895,847,845,312
5. Step 5: Solve for x
   x = 798,895,847,845,312/30,548,525.67
6. Step 6: Final answer
   x = 26,151,698.99