Finding the Fourth Proportional to 39,570,514.18, 59,268,072.55 and 30,405,147.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,570,514.18 : 59,268,072.55 = 30,405,147.10 : x
2. Step 2: Convert to fraction form
   39,570,514.18/59,268,072.55 = 30,405,147.10/x
3. Step 3: Cross multiply
   39,570,514.18x = 59,268,072.55 × 30,405,147.10
4. Step 4: Simplify right side
   39,570,514.18x = 1,802,054,464,216,222
5. Step 5: Solve for x
   x = 1,802,054,464,216,222/39,570,514.18
6. Step 6: Final answer
   x = 45,540,334.81