Finding the Fourth Proportional to 103,670.02, 143,064.61 and 58,958.02

Step by Step Solution

1. Step 1: Write the proportion equation
   103,670.02 : 143,064.61 = 58,958.02 : x
2. Step 2: Convert to fraction form
   103,670.02/143,064.61 = 58,958.02/x
3. Step 3: Cross multiply
   103,670.02x = 143,064.61 × 58,958.02
4. Step 4: Simplify right side
   103,670.02x = 8,434,806,137.67
5. Step 5: Solve for x
   x = 8,434,806,137.67/103,670.02
6. Step 6: Final answer
   x = 81,362.06