Finding the Fourth Proportional to 74,061.07, 102,201.74 and 42,240.22

Step by Step Solution

1. Step 1: Write the proportion equation
   74,061.07 : 102,201.74 = 42,240.22 : x
2. Step 2: Convert to fraction form
   74,061.07/102,201.74 = 42,240.22/x
3. Step 3: Cross multiply
   74,061.07x = 102,201.74 × 42,240.22
4. Step 4: Simplify right side
   74,061.07x = 4,317,023,770.78
5. Step 5: Solve for x
   x = 4,317,023,770.78/74,061.07
6. Step 6: Final answer
   x = 58,290.05