Finding the Fourth Proportional to 362,077.25, 543,106.69 and 172,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   362,077.25 : 543,106.69 = 172,671.50 : x
2. Step 2: Convert to fraction form
   362,077.25/543,106.69 = 172,671.50/x
3. Step 3: Cross multiply
   362,077.25x = 543,106.69 × 172,671.50
4. Step 4: Simplify right side
   362,077.25x = 93,779,047,748.42
5. Step 5: Solve for x
   x = 93,779,047,748.42/362,077.25
6. Step 6: Final answer
   x = 259,002.88