Finding the Fourth Proportional to 13,656,443.22, 18,845,668.69 and 7,461,356.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,656,443.22 : 18,845,668.69 = 7,461,356.61 : x
2. Step 2: Convert to fraction form
   13,656,443.22/18,845,668.69 = 7,461,356.61/x
3. Step 3: Cross multiply
   13,656,443.22x = 18,845,668.69 × 7,461,356.61
4. Step 4: Simplify right side
   13,656,443.22x = 140,614,254,650,001.56
5. Step 5: Solve for x
   x = 140,614,254,650,001.56/13,656,443.22
6. Step 6: Final answer
   x = 10,296,550.31