Finding the Fourth Proportional to 65,302.82, 90,123.26 and 36,621.93

Step by Step Solution

1. Step 1: Write the proportion equation
   65,302.82 : 90,123.26 = 36,621.93 : x
2. Step 2: Convert to fraction form
   65,302.82/90,123.26 = 36,621.93/x
3. Step 3: Cross multiply
   65,302.82x = 90,123.26 × 36,621.93
4. Step 4: Simplify right side
   65,302.82x = 3,300,487,535.98
5. Step 5: Solve for x
   x = 3,300,487,535.98/65,302.82
6. Step 6: Final answer
   x = 50,541.28