Finding the Fourth Proportional to 123,302.93, 170,145.05 and 71,609.94

Step by Step Solution

1. Step 1: Write the proportion equation
   123,302.93 : 170,145.05 = 71,609.94 : x
2. Step 2: Convert to fraction form
   123,302.93/170,145.05 = 71,609.94/x
3. Step 3: Cross multiply
   123,302.93x = 170,145.05 × 71,609.94
4. Step 4: Simplify right side
   123,302.93x = 12,184,076,463.75
5. Step 5: Solve for x
   x = 12,184,076,463.75/123,302.93
6. Step 6: Final answer
   x = 98,814.17