Finding the Fourth Proportional to 6,437,507.76, 8,880,066.18 and 4,018,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,437,507.76 : 8,880,066.18 = 4,018,860.72 : x
2. Step 2: Convert to fraction form
   6,437,507.76/8,880,066.18 = 4,018,860.72/x
3. Step 3: Cross multiply
   6,437,507.76x = 8,880,066.18 × 4,018,860.72
4. Step 4: Simplify right side
   6,437,507.76x = 35,687,749,161,802.45
5. Step 5: Solve for x
   x = 35,687,749,161,802.45/6,437,507.76
6. Step 6: Final answer
   x = 5,543,721.34