Finding the Fourth Proportional to 64,063.74, 88,407 and 37,221.30

Step by Step Solution

1. Step 1: Write the proportion equation
   64,063.74 : 88,407 = 37,221.30 : x
2. Step 2: Convert to fraction form
   64,063.74/88,407 = 37,221.30/x
3. Step 3: Cross multiply
   64,063.74x = 88,407 × 37,221.30
4. Step 4: Simplify right side
   64,063.74x = 3,290,623,469.10
5. Step 5: Solve for x
   x = 3,290,623,469.10/64,063.74
6. Step 6: Final answer
   x = 51,364.84