Finding the Fourth Proportional to 107,544, 148,410.72 and 60,440

Step by Step Solution

1. Step 1: Write the proportion equation
   107,544 : 148,410.72 = 60,440 : x
2. Step 2: Convert to fraction form
   107,544/148,410.72 = 60,440/x
3. Step 3: Cross multiply
   107,544x = 148,410.72 × 60,440
4. Step 4: Simplify right side
   107,544x = 8,969,943,916.80
5. Step 5: Solve for x
   x = 8,969,943,916.80/107,544
6. Step 6: Final answer
   x = 83,407.20