Finding the Fourth Proportional to 42,492.11, 63,734.00 and 12,910.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,492.11 : 63,734.00 = 12,910.23 : x
2. Step 2: Convert to fraction form
   42,492.11/63,734.00 = 12,910.23/x
3. Step 3: Cross multiply
   42,492.11x = 63,734.00 × 12,910.23
4. Step 4: Simplify right side
   42,492.11x = 822,820,534.27
5. Step 5: Solve for x
   x = 822,820,534.27/42,492.11
6. Step 6: Final answer
   x = 19,364.08