Finding the Fourth Proportional to 156,118.08, 215,443.52 and 84,499.04

Step by Step Solution

1. Step 1: Write the proportion equation
   156,118.08 : 215,443.52 = 84,499.04 : x
2. Step 2: Convert to fraction form
   156,118.08/215,443.52 = 84,499.04/x
3. Step 3: Cross multiply
   156,118.08x = 215,443.52 × 84,499.04
4. Step 4: Simplify right side
   156,118.08x = 18,204,770,614.22
5. Step 5: Solve for x
   x = 18,204,770,614.22/156,118.08
6. Step 6: Final answer
   x = 116,608.98