Finding the Fourth Proportional to 103,682, 143,081.16 and 58,970

Step by Step Solution

1. Step 1: Write the proportion equation
   103,682 : 143,081.16 = 58,970 : x
2. Step 2: Convert to fraction form
   103,682/143,081.16 = 58,970/x
3. Step 3: Cross multiply
   103,682x = 143,081.16 × 58,970
4. Step 4: Simplify right side
   103,682x = 8,437,496,005.20
5. Step 5: Solve for x
   x = 8,437,496,005.20/103,682
6. Step 6: Final answer
   x = 81,378.60