Finding the Fourth Proportional to 64,978.49, 89,666.10 and 37,752.16

Step by Step Solution

1. Step 1: Write the proportion equation
   64,978.49 : 89,666.10 = 37,752.16 : x
2. Step 2: Convert to fraction form
   64,978.49/89,666.10 = 37,752.16/x
3. Step 3: Cross multiply
   64,978.49x = 89,666.10 × 37,752.16
4. Step 4: Simplify right side
   64,978.49x = 3,385,088,953.78
5. Step 5: Solve for x
   x = 3,385,088,953.78/64,978.49
6. Step 6: Final answer
   x = 52,095.53