Finding the Fourth Proportional to 158,492.45, 237,949.83 and 91,980.32

Step by Step Solution

1. Step 1: Write the proportion equation
   158,492.45 : 237,949.83 = 91,980.32 : x
2. Step 2: Convert to fraction form
   158,492.45/237,949.83 = 91,980.32/x
3. Step 3: Cross multiply
   158,492.45x = 237,949.83 × 91,980.32
4. Step 4: Simplify right side
   158,492.45x = 21,886,701,507.35
5. Step 5: Solve for x
   x = 21,886,701,507.35/158,492.45
6. Step 6: Final answer
   x = 138,093.02