Finding the Fourth Proportional to 212,131.02, 318,196.41 and 62,372.55

Step by Step Solution

1. Step 1: Write the proportion equation
   212,131.02 : 318,196.41 = 62,372.55 : x
2. Step 2: Convert to fraction form
   212,131.02/318,196.41 = 62,372.55/x
3. Step 3: Cross multiply
   212,131.02x = 318,196.41 × 62,372.55
4. Step 4: Simplify right side
   212,131.02x = 19,846,721,492.55
5. Step 5: Solve for x
   x = 19,846,721,492.55/212,131.02
6. Step 6: Final answer
   x = 93,558.79