Finding the Fourth Proportional to 28,566,094.56, 42,843,412.71 and 13,986,732.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,566,094.56 : 42,843,412.71 = 13,986,732.48 : x
2. Step 2: Convert to fraction form
   28,566,094.56/42,843,412.71 = 13,986,732.48/x
3. Step 3: Cross multiply
   28,566,094.56x = 42,843,412.71 × 13,986,732.48
4. Step 4: Simplify right side
   28,566,094.56x = 599,239,352,105,001.88
5. Step 5: Solve for x
   x = 599,239,352,105,001.88/28,566,094.56
6. Step 6: Final answer
   x = 20,977,293.58