Finding the Fourth Proportional to 9,124,131.30, 12,591,885.69 and 5,256,582.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124,131.30 : 12,591,885.69 = 5,256,582.18 : x
2. Step 2: Convert to fraction form
   9,124,131.30/12,591,885.69 = 5,256,582.18/x
3. Step 3: Cross multiply
   9,124,131.30x = 12,591,885.69 × 5,256,582.18
4. Step 4: Simplify right side
   9,124,131.30x = 66,190,281,930,651
5. Step 5: Solve for x
   x = 66,190,281,930,651/9,124,131.30
6. Step 6: Final answer
   x = 7,254,420.15