Finding the Fourth Proportional to 42,323.01, 63,495.52 and 12,336.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,323.01 : 63,495.52 = 12,336.57 : x
2. Step 2: Convert to fraction form
   42,323.01/63,495.52 = 12,336.57/x
3. Step 3: Cross multiply
   42,323.01x = 63,495.52 × 12,336.57
4. Step 4: Simplify right side
   42,323.01x = 783,316,931.02
5. Step 5: Solve for x
   x = 783,316,931.02/42,323.01
6. Step 6: Final answer
   x = 18,508.06