Finding the Fourth Proportional to 10,128,342.72, 13,977,089.52 and 5,544,624

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128,342.72 : 13,977,089.52 = 5,544,624 : x
2. Step 2: Convert to fraction form
   10,128,342.72/13,977,089.52 = 5,544,624/x
3. Step 3: Cross multiply
   10,128,342.72x = 13,977,089.52 × 5,544,624
4. Step 4: Simplify right side
   10,128,342.72x = 77,497,706,002,740.48
5. Step 5: Solve for x
   x = 77,497,706,002,740.48/10,128,342.72
6. Step 6: Final answer
   x = 7,651,568.29