Finding the Fourth Proportional to 42,483.32, 63,720.85 and 12,901.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,483.32 : 63,720.85 = 12,901.41 : x
2. Step 2: Convert to fraction form
   42,483.32/63,720.85 = 12,901.41/x
3. Step 3: Cross multiply
   42,483.32x = 63,720.85 × 12,901.41
4. Step 4: Simplify right side
   42,483.32x = 822,088,839.62
5. Step 5: Solve for x
   x = 822,088,839.62/42,483.32
6. Step 6: Final answer
   x = 19,350.86