Finding the Fourth Proportional to 65,580.84, 90,501.57 and 37,288.26

Step by Step Solution

1. Step 1: Write the proportion equation
   65,580.84 : 90,501.57 = 37,288.26 : x
2. Step 2: Convert to fraction form
   65,580.84/90,501.57 = 37,288.26/x
3. Step 3: Cross multiply
   65,580.84x = 90,501.57 × 37,288.26
4. Step 4: Simplify right side
   65,580.84x = 3,374,646,072.57
5. Step 5: Solve for x
   x = 3,374,646,072.57/65,580.84
6. Step 6: Final answer
   x = 51,457.80