Finding the Fourth Proportional to 105,060.59, 144,983.95 and 57,314.93

Step by Step Solution

1. Step 1: Write the proportion equation
   105,060.59 : 144,983.95 = 57,314.93 : x
2. Step 2: Convert to fraction form
   105,060.59/144,983.95 = 57,314.93/x
3. Step 3: Cross multiply
   105,060.59x = 144,983.95 × 57,314.93
4. Step 4: Simplify right side
   105,060.59x = 8,309,745,164.55
5. Step 5: Solve for x
   x = 8,309,745,164.55/105,060.59
6. Step 6: Final answer
   x = 79,094.79