Finding the Fourth Proportional to 13,933,116.78, 19,227,062.91 and 7,738,559.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,933,116.78 : 19,227,062.91 = 7,738,559.56 : x
2. Step 2: Convert to fraction form
   13,933,116.78/19,227,062.91 = 7,738,559.56/x
3. Step 3: Cross multiply
   13,933,116.78x = 19,227,062.91 × 7,738,559.56
4. Step 4: Simplify right side
   13,933,116.78x = 148,789,771,492,901.91
5. Step 5: Solve for x
   x = 148,789,771,492,901.91/13,933,116.78
6. Step 6: Final answer
   x = 10,678,857.71