Finding the Fourth Proportional to 42,054.50, 63,070.98 and 12,465.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,054.50 : 63,070.98 = 12,465.41 : x
2. Step 2: Convert to fraction form
   42,054.50/63,070.98 = 12,465.41/x
3. Step 3: Cross multiply
   42,054.50x = 63,070.98 × 12,465.41
4. Step 4: Simplify right side
   42,054.50x = 786,205,782.48
5. Step 5: Solve for x
   x = 786,205,782.48/42,054.50
6. Step 6: Final answer
   x = 18,694.93