Finding the Fourth Proportional to 9,280,970.48, 12,807,546.55 and 5,150,761.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280,970.48 : 12,807,546.55 = 5,150,761.76 : x
2. Step 2: Convert to fraction form
   9,280,970.48/12,807,546.55 = 5,150,761.76/x
3. Step 3: Cross multiply
   9,280,970.48x = 12,807,546.55 × 5,150,761.76
4. Step 4: Simplify right side
   9,280,970.48x = 65,968,621,028,301.89
5. Step 5: Solve for x
   x = 65,968,621,028,301.89/9,280,970.48
6. Step 6: Final answer
   x = 7,107,944.28