Finding the Fourth Proportional to 28,244,019.34, 42,382,374.15 and 11,847,835.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,244,019.34 : 42,382,374.15 = 11,847,835.42 : x
2. Step 2: Convert to fraction form
   28,244,019.34/42,382,374.15 = 11,847,835.42/x
3. Step 3: Cross multiply
   28,244,019.34x = 42,382,374.15 × 11,847,835.42
4. Step 4: Simplify right side
   28,244,019.34x = 502,139,393,576,535.88
5. Step 5: Solve for x
   x = 502,139,393,576,535.88/28,244,019.34
6. Step 6: Final answer
   x = 17,778,609.61