Finding the Fourth Proportional to 42,465.29, 63,699.37 and 11,300.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,465.29 : 63,699.37 = 11,300.57 : x
2. Step 2: Convert to fraction form
   42,465.29/63,699.37 = 11,300.57/x
3. Step 3: Cross multiply
   42,465.29x = 63,699.37 × 11,300.57
4. Step 4: Simplify right side
   42,465.29x = 719,838,842.89
5. Step 5: Solve for x
   x = 719,838,842.89/42,465.29
6. Step 6: Final answer
   x = 16,951.23