Finding the Fourth Proportional to 9,515,561.34, 13,131,487.60 and 5,164,647.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,561.34 : 13,131,487.60 = 5,164,647.86 : x
2. Step 2: Convert to fraction form
   9,515,561.34/13,131,487.60 = 5,164,647.86/x
3. Step 3: Cross multiply
   9,515,561.34x = 13,131,487.60 × 5,164,647.86
4. Step 4: Simplify right side
   9,515,561.34x = 67,819,509,266,299.10
5. Step 5: Solve for x
   x = 67,819,509,266,299.10/9,515,561.34
6. Step 6: Final answer
   x = 7,127,221.07