Finding the Fourth Proportional to 118,101.61, 162,983.33 and 72,809.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,101.61 : 162,983.33 = 72,809.52 : x
2. Step 2: Convert to fraction form
   118,101.61/162,983.33 = 72,809.52/x
3. Step 3: Cross multiply
   118,101.61x = 162,983.33 × 72,809.52
4. Step 4: Simplify right side
   118,101.61x = 11,866,737,323.10
5. Step 5: Solve for x
   x = 11,866,737,323.10/118,101.61
6. Step 6: Final answer
   x = 100,479.05