Finding the Fourth Proportional to 64,262.72, 88,683 and 37,420.88

Step by Step Solution

1. Step 1: Write the proportion equation
   64,262.72 : 88,683 = 37,420.88 : x
2. Step 2: Convert to fraction form
   64,262.72/88,683 = 37,420.88/x
3. Step 3: Cross multiply
   64,262.72x = 88,683 × 37,420.88
4. Step 4: Simplify right side
   64,262.72x = 3,318,595,901.04
5. Step 5: Solve for x
   x = 3,318,595,901.04/64,262.72
6. Step 6: Final answer
   x = 51,641.07