Finding the Fourth Proportional to 64,688.76, 89,283.72 and 37,837.86

Step by Step Solution

1. Step 1: Write the proportion equation
   64,688.76 : 89,283.72 = 37,837.86 : x
2. Step 2: Convert to fraction form
   64,688.76/89,283.72 = 37,837.86/x
3. Step 3: Cross multiply
   64,688.76x = 89,283.72 × 37,837.86
4. Step 4: Simplify right side
   64,688.76x = 3,378,304,897.64
5. Step 5: Solve for x
   x = 3,378,304,897.64/64,688.76
6. Step 6: Final answer
   x = 52,223.99