Finding the Fourth Proportional to 158,002.03, 236,979.73 and 58,139.02

Step by Step Solution

1. Step 1: Write the proportion equation
   158,002.03 : 236,979.73 = 58,139.02 : x
2. Step 2: Convert to fraction form
   158,002.03/236,979.73 = 58,139.02/x
3. Step 3: Cross multiply
   158,002.03x = 236,979.73 × 58,139.02
4. Step 4: Simplify right side
   158,002.03x = 13,777,769,262.06
5. Step 5: Solve for x
   x = 13,777,769,262.06/158,002.03
6. Step 6: Final answer
   x = 87,199.95