Finding the Fourth Proportional to 158,820.94, 219,275.47 and 98,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   158,820.94 : 219,275.47 = 98,456.10 : x
2. Step 2: Convert to fraction form
   158,820.94/219,275.47 = 98,456.10/x
3. Step 3: Cross multiply
   158,820.94x = 219,275.47 × 98,456.10
4. Step 4: Simplify right side
   158,820.94x = 21,589,007,601.87
5. Step 5: Solve for x
   x = 21,589,007,601.87/158,820.94
6. Step 6: Final answer
   x = 135,933.00