Finding the Fourth Proportional to 156,796.20, 216,164.52 and 107,736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   156,796.20 : 216,164.52 = 107,736.32 : x
2. Step 2: Convert to fraction form
   156,796.20/216,164.52 = 107,736.32/x
3. Step 3: Cross multiply
   156,796.20x = 216,164.52 × 107,736.32
4. Step 4: Simplify right side
   156,796.20x = 23,288,769,899.37
5. Step 5: Solve for x
   x = 23,288,769,899.37/156,796.20
6. Step 6: Final answer
   x = 148,528.92