Finding the Fourth Proportional to 76,019.71, 104,902.68 and 42,026.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,019.71 : 104,902.68 = 42,026.16 : x
2. Step 2: Convert to fraction form
   76,019.71/104,902.68 = 42,026.16/x
3. Step 3: Cross multiply
   76,019.71x = 104,902.68 × 42,026.16
4. Step 4: Simplify right side
   76,019.71x = 4,408,657,158.47
5. Step 5: Solve for x
   x = 4,408,657,158.47/76,019.71
6. Step 6: Final answer
   x = 57,993.61