Finding the Fourth Proportional to 65,303.42, 90,102.98 and 41,421.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,303.42 : 90,102.98 = 41,421.38 : x
2. Step 2: Convert to fraction form
   65,303.42/90,102.98 = 41,421.38/x
3. Step 3: Cross multiply
   65,303.42x = 90,102.98 × 41,421.38
4. Step 4: Simplify right side
   65,303.42x = 3,732,189,773.71
5. Step 5: Solve for x
   x = 3,732,189,773.71/65,303.42
6. Step 6: Final answer
   x = 57,151.52