Finding the Fourth Proportional to 156,003.68, 215,284.83 and 84,383.48

Step by Step Solution

1. Step 1: Write the proportion equation
   156,003.68 : 215,284.83 = 84,383.48 : x
2. Step 2: Convert to fraction form
   156,003.68/215,284.83 = 84,383.48/x
3. Step 3: Cross multiply
   156,003.68x = 215,284.83 × 84,383.48
4. Step 4: Simplify right side
   156,003.68x = 18,166,483,146.61
5. Step 5: Solve for x
   x = 18,166,483,146.61/156,003.68
6. Step 6: Final answer
   x = 116,449.07