Finding the Fourth Proportional to 73,018.42, 100,775.51 and 42,811.18

Step by Step Solution

1. Step 1: Write the proportion equation
   73,018.42 : 100,775.51 = 42,811.18 : x
2. Step 2: Convert to fraction form
   73,018.42/100,775.51 = 42,811.18/x
3. Step 3: Cross multiply
   73,018.42x = 100,775.51 × 42,811.18
4. Step 4: Simplify right side
   73,018.42x = 4,314,318,284.15
5. Step 5: Solve for x
   x = 4,314,318,284.15/73,018.42
6. Step 6: Final answer
   x = 59,085.34