Finding the Fourth Proportional to 12,571,941.88, 17,349,401.10 and 7,139,472.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,571,941.88 : 17,349,401.10 = 7,139,472.76 : x
2. Step 2: Convert to fraction form
   12,571,941.88/17,349,401.10 = 7,139,472.76/x
3. Step 3: Cross multiply
   12,571,941.88x = 17,349,401.10 × 7,139,472.76
4. Step 4: Simplify right side
   12,571,941.88x = 123,865,576,555,764.05
5. Step 5: Solve for x
   x = 123,865,576,555,764.05/12,571,941.88
6. Step 6: Final answer
   x = 9,852,541.30