Finding the Fourth Proportional to 9,327,012.58, 12,871,304.02 and 5,407,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327,012.58 : 12,871,304.02 = 5,407,530.42 : x
2. Step 2: Convert to fraction form
   9,327,012.58/12,871,304.02 = 5,407,530.42/x
3. Step 3: Cross multiply
   9,327,012.58x = 12,871,304.02 × 5,407,530.42
4. Step 4: Simplify right side
   9,327,012.58x = 69,601,968,033,218.28
5. Step 5: Solve for x
   x = 69,601,968,033,218.28/9,327,012.58
6. Step 6: Final answer
   x = 7,462,407.44