Finding the Fourth Proportional to 65,385.72, 90,240.75 and 37,100.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,385.72 : 90,240.75 = 37,100.52 : x
2. Step 2: Convert to fraction form
   65,385.72/90,240.75 = 37,100.52/x
3. Step 3: Cross multiply
   65,385.72x = 90,240.75 × 37,100.52
4. Step 4: Simplify right side
   65,385.72x = 3,347,978,750.19
5. Step 5: Solve for x
   x = 3,347,978,750.19/65,385.72
6. Step 6: Final answer
   x = 51,203.52