Finding the Fourth Proportional to 65,623.31, 90,559.37 and 37,328.93

Step by Step Solution

1. Step 1: Write the proportion equation
   65,623.31 : 90,559.37 = 37,328.93 : x
2. Step 2: Convert to fraction form
   65,623.31/90,559.37 = 37,328.93/x
3. Step 3: Cross multiply
   65,623.31x = 90,559.37 × 37,328.93
4. Step 4: Simplify right side
   65,623.31x = 3,380,484,024.10
5. Step 5: Solve for x
   x = 3,380,484,024.10/65,623.31
6. Step 6: Final answer
   x = 51,513.47