Finding the Fourth Proportional to 102,510.72, 141,418.50 and 60,051.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,510.72 : 141,418.50 = 60,051.30 : x
2. Step 2: Convert to fraction form
   102,510.72/141,418.50 = 60,051.30/x
3. Step 3: Cross multiply
   102,510.72x = 141,418.50 × 60,051.30
4. Step 4: Simplify right side
   102,510.72x = 8,492,364,769.05
5. Step 5: Solve for x
   x = 8,492,364,769.05/102,510.72
6. Step 6: Final answer
   x = 82,843.67