Finding the Fourth Proportional to 9,515,978.08, 13,131,697.80 and 5,164,971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,978.08 : 13,131,697.80 = 5,164,971.82 : x
2. Step 2: Convert to fraction form
   9,515,978.08/13,131,697.80 = 5,164,971.82/x
3. Step 3: Cross multiply
   9,515,978.08x = 13,131,697.80 × 5,164,971.82
4. Step 4: Simplify right side
   9,515,978.08x = 67,824,849,085,756
5. Step 5: Solve for x
   x = 67,824,849,085,756/9,515,978.08
6. Step 6: Final answer
   x = 7,127,470.08