Finding the Fourth Proportional to 102,598.58, 141,591.72 and 57,276.94

Step by Step Solution

1. Step 1: Write the proportion equation
   102,598.58 : 141,591.72 = 57,276.94 : x
2. Step 2: Convert to fraction form
   102,598.58/141,591.72 = 57,276.94/x
3. Step 3: Cross multiply
   102,598.58x = 141,591.72 × 57,276.94
4. Step 4: Simplify right side
   102,598.58x = 8,109,940,450.94
5. Step 5: Solve for x
   x = 8,109,940,450.94/102,598.58
6. Step 6: Final answer
   x = 79,045.35