Finding the Fourth Proportional to 155,060,399.34, 213,984,785.97 and 85,448,271.27

Step by Step Solution

1. Step 1: Write the proportion equation
   155,060,399.34 : 213,984,785.97 = 85,448,271.27 : x
2. Step 2: Convert to fraction form
   155,060,399.34/213,984,785.97 = 85,448,271.27/x
3. Step 3: Cross multiply
   155,060,399.34x = 213,984,785.97 × 85,448,271.27
4. Step 4: Simplify right side
   155,060,399.34x = 18,284,630,039,217,448
5. Step 5: Solve for x
   x = 18,284,630,039,217,448/155,060,399.34
6. Step 6: Final answer
   x = 117,919,405.06