Finding the Fourth Proportional to 33,885,397.42, 46,762,140.72 and 18,415,485.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,885,397.42 : 46,762,140.72 = 18,415,485.25 : x
2. Step 2: Convert to fraction form
   33,885,397.42/46,762,140.72 = 18,415,485.25/x
3. Step 3: Cross multiply
   33,885,397.42x = 46,762,140.72 × 18,415,485.25
4. Step 4: Simplify right side
   33,885,397.42x = 861,147,512,687,584.38
5. Step 5: Solve for x
   x = 861,147,512,687,584.38/33,885,397.42
6. Step 6: Final answer
   x = 25,413,528.49