Finding the Fourth Proportional to 102,377.70, 141,279.06 and 57,059.82

Step by Step Solution

1. Step 1: Write the proportion equation
   102,377.70 : 141,279.06 = 57,059.82 : x
2. Step 2: Convert to fraction form
   102,377.70/141,279.06 = 57,059.82/x
3. Step 3: Cross multiply
   102,377.70x = 141,279.06 × 57,059.82
4. Step 4: Simplify right side
   102,377.70x = 8,061,357,733.37
5. Step 5: Solve for x
   x = 8,061,357,733.37/102,377.70
6. Step 6: Final answer
   x = 78,741.34