Finding the Fourth Proportional to 11,898,930.86, 16,414,481.31 and 7,771,378.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,898,930.86 : 16,414,481.31 = 7,771,378.22 : x
2. Step 2: Convert to fraction form
   11,898,930.86/16,414,481.31 = 7,771,378.22/x
3. Step 3: Cross multiply
   11,898,930.86x = 16,414,481.31 × 7,771,378.22
4. Step 4: Simplify right side
   11,898,930.86x = 127,563,142,545,131.06
5. Step 5: Solve for x
   x = 127,563,142,545,131.06/11,898,930.86
6. Step 6: Final answer
   x = 10,720,554.98