Finding the Fourth Proportional to 13,326,375.27, 18,390,519.55 and 7,819,841.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,326,375.27 : 18,390,519.55 = 7,819,841.89 : x
2. Step 2: Convert to fraction form
   13,326,375.27/18,390,519.55 = 7,819,841.89/x
3. Step 3: Cross multiply
   13,326,375.27x = 18,390,519.55 × 7,819,841.89
4. Step 4: Simplify right side
   13,326,375.27x = 143,810,955,155,953.94
5. Step 5: Solve for x
   x = 143,810,955,155,953.94/13,326,375.27
6. Step 6: Final answer
   x = 10,791,453.21