Finding the Fourth Proportional to 10,576,048.43, 14,599,411.25 and 7,142,939.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,576,048.43 : 14,599,411.25 = 7,142,939.57 : x
2. Step 2: Convert to fraction form
   10,576,048.43/14,599,411.25 = 7,142,939.57/x
3. Step 3: Cross multiply
   10,576,048.43x = 14,599,411.25 × 7,142,939.57
4. Step 4: Simplify right side
   10,576,048.43x = 104,282,712,317,111.98
5. Step 5: Solve for x
   x = 104,282,712,317,111.98/10,576,048.43
6. Step 6: Final answer
   x = 9,860,271.82