Finding the Fourth Proportional to 46,828,872.63, 70,219,105.69 and 20,556,955.58

Step by Step Solution

1. Step 1: Write the proportion equation
   46,828,872.63 : 70,219,105.69 = 20,556,955.58 : x
2. Step 2: Convert to fraction form
   46,828,872.63/70,219,105.69 = 20,556,955.58/x
3. Step 3: Cross multiply
   46,828,872.63x = 70,219,105.69 × 20,556,955.58
4. Step 4: Simplify right side
   46,828,872.63x = 1,443,491,036,172,711.50
5. Step 5: Solve for x
   x = 1,443,491,036,172,711.50/46,828,872.63
6. Step 6: Final answer
   x = 30,824,808.61