Finding the Fourth Proportional to 103,064.25, 142,237.83 and 57,741.94

Step by Step Solution

1. Step 1: Write the proportion equation
   103,064.25 : 142,237.83 = 57,741.94 : x
2. Step 2: Convert to fraction form
   103,064.25/142,237.83 = 57,741.94/x
3. Step 3: Cross multiply
   103,064.25x = 142,237.83 × 57,741.94
4. Step 4: Simplify right side
   103,064.25x = 8,213,088,245.59
5. Step 5: Solve for x
   x = 8,213,088,245.59/103,064.25
6. Step 6: Final answer
   x = 79,689.01