Finding the Fourth Proportional to 141,841.22, 212,762.52 and 42,003.30

Step by Step Solution

1. Step 1: Write the proportion equation
   141,841.22 : 212,762.52 = 42,003.30 : x
2. Step 2: Convert to fraction form
   141,841.22/212,762.52 = 42,003.30/x
3. Step 3: Cross multiply
   141,841.22x = 212,762.52 × 42,003.30
4. Step 4: Simplify right side
   141,841.22x = 8,936,727,956.32
5. Step 5: Solve for x
   x = 8,936,727,956.32/141,841.22
6. Step 6: Final answer
   x = 63,005.15