Finding the Fourth Proportional to 65,692.98, 90,656.42 and 37,398.65

Step by Step Solution

1. Step 1: Write the proportion equation
   65,692.98 : 90,656.42 = 37,398.65 : x
2. Step 2: Convert to fraction form
   65,692.98/90,656.42 = 37,398.65/x
3. Step 3: Cross multiply
   65,692.98x = 90,656.42 × 37,398.65
4. Step 4: Simplify right side
   65,692.98x = 3,390,427,081.56
5. Step 5: Solve for x
   x = 3,390,427,081.56/65,692.98
6. Step 6: Final answer
   x = 51,610.19