Finding the Fourth Proportional to 5,560,978.19, 7,674,955.31 and 3,113,746.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,560,978.19 : 7,674,955.31 = 3,113,746.74 : x
2. Step 2: Convert to fraction form
   5,560,978.19/7,674,955.31 = 3,113,746.74/x
3. Step 3: Cross multiply
   5,560,978.19x = 7,674,955.31 × 3,113,746.74
4. Step 4: Simplify right side
   5,560,978.19x = 23,897,867,083,942.56
5. Step 5: Solve for x
   x = 23,897,867,083,942.56/5,560,978.19
6. Step 6: Final answer
   x = 4,297,421.48