Finding the Fourth Proportional to 152,774.63, 229,168.15 and 72,771.47

Step by Step Solution

1. Step 1: Write the proportion equation
   152,774.63 : 229,168.15 = 72,771.47 : x
2. Step 2: Convert to fraction form
   152,774.63/229,168.15 = 72,771.47/x
3. Step 3: Cross multiply
   152,774.63x = 229,168.15 × 72,771.47
4. Step 4: Simplify right side
   152,774.63x = 16,676,903,152.68
5. Step 5: Solve for x
   x = 16,676,903,152.68/152,774.63
6. Step 6: Final answer
   x = 109,160.16