Finding the Fourth Proportional to 103,649, 155,467.33 and 60,978.41

Step by Step Solution

1. Step 1: Write the proportion equation
   103,649 : 155,467.33 = 60,978.41 : x
2. Step 2: Convert to fraction form
   103,649/155,467.33 = 60,978.41/x
3. Step 3: Cross multiply
   103,649x = 155,467.33 × 60,978.41
4. Step 4: Simplify right side
   103,649x = 9,480,149,508.12
5. Step 5: Solve for x
   x = 9,480,149,508.12/103,649
6. Step 6: Final answer
   x = 91,463.97