Finding the Fourth Proportional to 62,255.99, 85,941.10 and 42,173.86

Step by Step Solution

1. Step 1: Write the proportion equation
   62,255.99 : 85,941.10 = 42,173.86 : x
2. Step 2: Convert to fraction form
   62,255.99/85,941.10 = 42,173.86/x
3. Step 3: Cross multiply
   62,255.99x = 85,941.10 × 42,173.86
4. Step 4: Simplify right side
   62,255.99x = 3,624,467,919.65
5. Step 5: Solve for x
   x = 3,624,467,919.65/62,255.99
6. Step 6: Final answer
   x = 58,218.78