Finding the Fourth Proportional to 102,738.72, 141,790.56 and 60,303.36

Step by Step Solution

1. Step 1: Write the proportion equation
   102,738.72 : 141,790.56 = 60,303.36 : x
2. Step 2: Convert to fraction form
   102,738.72/141,790.56 = 60,303.36/x
3. Step 3: Cross multiply
   102,738.72x = 141,790.56 × 60,303.36
4. Step 4: Simplify right side
   102,738.72x = 8,550,447,184.28
5. Step 5: Solve for x
   x = 8,550,447,184.28/102,738.72
6. Step 6: Final answer
   x = 83,225.17