Finding the Fourth Proportional to 9,132,650.56, 12,603,261.42 and 5,212,328.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132,650.56 : 12,603,261.42 = 5,212,328.05 : x
2. Step 2: Convert to fraction form
   9,132,650.56/12,603,261.42 = 5,212,328.05/x
3. Step 3: Cross multiply
   9,132,650.56x = 12,603,261.42 × 5,212,328.05
4. Step 4: Simplify right side
   9,132,650.56x = 65,692,333,020,948.83
5. Step 5: Solve for x
   x = 65,692,333,020,948.83/9,132,650.56
6. Step 6: Final answer
   x = 7,193,128.94