Finding the Fourth Proportional to 11,978,408.61, 17,970,636.69 and 3,342,501.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,978,408.61 : 17,970,636.69 = 3,342,501.81 : x
2. Step 2: Convert to fraction form
   11,978,408.61/17,970,636.69 = 3,342,501.81/x
3. Step 3: Cross multiply
   11,978,408.61x = 17,970,636.69 × 3,342,501.81
4. Step 4: Simplify right side
   11,978,408.61x = 60,066,885,663,177.41
5. Step 5: Solve for x
   x = 60,066,885,663,177.41/11,978,408.61
6. Step 6: Final answer
   x = 5,014,596.48