Finding the Fourth Proportional to 103,682.76, 143,082.42 and 58,970.76

Step by Step Solution

1. Step 1: Write the proportion equation
   103,682.76 : 143,082.42 = 58,970.76 : x
2. Step 2: Convert to fraction form
   103,682.76/143,082.42 = 58,970.76/x
3. Step 3: Cross multiply
   103,682.76x = 143,082.42 × 58,970.76
4. Step 4: Simplify right side
   103,682.76x = 8,437,679,050.04
5. Step 5: Solve for x
   x = 8,437,679,050.04/103,682.76
6. Step 6: Final answer
   x = 81,379.77