Finding the Fourth Proportional to 9,515,544.18, 13,131,099.72 and 5,164,537.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,544.18 : 13,131,099.72 = 5,164,537.06 : x
2. Step 2: Convert to fraction form
   9,515,544.18/13,131,099.72 = 5,164,537.06/x
3. Step 3: Cross multiply
   9,515,544.18x = 13,131,099.72 × 5,164,537.06
4. Step 4: Simplify right side
   9,515,544.18x = 67,816,051,142,495.62
5. Step 5: Solve for x
   x = 67,816,051,142,495.62/9,515,544.18
6. Step 6: Final answer
   x = 7,126,870.50