Finding the Fourth Proportional to 137,466.78, 205,931.71 and 65,317.00

Step by Step Solution

1. Step 1: Write the proportion equation
   137,466.78 : 205,931.71 = 65,317.00 : x
2. Step 2: Convert to fraction form
   137,466.78/205,931.71 = 65,317.00/x
3. Step 3: Cross multiply
   137,466.78x = 205,931.71 × 65,317.00
4. Step 4: Simplify right side
   137,466.78x = 13,450,842,288.38
5. Step 5: Solve for x
   x = 13,450,842,288.38/137,466.78
6. Step 6: Final answer
   x = 97,847.95