Finding the Fourth Proportional to 120,881.82, 181,317.18 and 42,002.22

Step by Step Solution

1. Step 1: Write the proportion equation
   120,881.82 : 181,317.18 = 42,002.22 : x
2. Step 2: Convert to fraction form
   120,881.82/181,317.18 = 42,002.22/x
3. Step 3: Cross multiply
   120,881.82x = 181,317.18 × 42,002.22
4. Step 4: Simplify right side
   120,881.82x = 7,615,724,084.14
5. Step 5: Solve for x
   x = 7,615,724,084.14/120,881.82
6. Step 6: Final answer
   x = 63,001.40