Finding the Fourth Proportional to 103,606.74, 142,985.61 and 58,282.02

Step by Step Solution

1. Step 1: Write the proportion equation
   103,606.74 : 142,985.61 = 58,282.02 : x
2. Step 2: Convert to fraction form
   103,606.74/142,985.61 = 58,282.02/x
3. Step 3: Cross multiply
   103,606.74x = 142,985.61 × 58,282.02
4. Step 4: Simplify right side
   103,606.74x = 8,333,490,181.73
5. Step 5: Solve for x
   x = 8,333,490,181.73/103,606.74
6. Step 6: Final answer
   x = 80,433.86