Finding the Fourth Proportional to 103,625.56, 143,002.56 and 58,913.56

Step by Step Solution

1. Step 1: Write the proportion equation
   103,625.56 : 143,002.56 = 58,913.56 : x
2. Step 2: Convert to fraction form
   103,625.56/143,002.56 = 58,913.56/x
3. Step 3: Cross multiply
   103,625.56x = 143,002.56 × 58,913.56
4. Step 4: Simplify right side
   103,625.56x = 8,424,789,898.71
5. Step 5: Solve for x
   x = 8,424,789,898.71/103,625.56
6. Step 6: Final answer
   x = 81,300.31