Finding the Fourth Proportional to 9,327,066.76, 12,871,378.20 and 5,407,584.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327,066.76 : 12,871,378.20 = 5,407,584.52 : x
2. Step 2: Convert to fraction form
   9,327,066.76/12,871,378.20 = 5,407,584.52/x
3. Step 3: Cross multiply
   9,327,066.76x = 12,871,378.20 × 5,407,584.52
4. Step 4: Simplify right side
   9,327,066.76x = 69,603,065,505,385.45
5. Step 5: Solve for x
   x = 69,603,065,505,385.45/9,327,066.76
6. Step 6: Final answer
   x = 7,462,481.75