Finding the Fourth Proportional to 156,103.50, 215,422.43 and 84,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,103.50 : 215,422.43 = 84,483.50 : x
2. Step 2: Convert to fraction form
   156,103.50/215,422.43 = 84,483.50/x
3. Step 3: Cross multiply
   156,103.50x = 215,422.43 × 84,483.50
4. Step 4: Simplify right side
   156,103.50x = 18,199,640,981.04
5. Step 5: Solve for x
   x = 18,199,640,981.04/156,103.50
6. Step 6: Final answer
   x = 116,587.01