Finding the Fourth Proportional to 63,666.63, 87,886.89 and 42,974.61

Step by Step Solution

1. Step 1: Write the proportion equation
   63,666.63 : 87,886.89 = 42,974.61 : x
2. Step 2: Convert to fraction form
   63,666.63/87,886.89 = 42,974.61/x
3. Step 3: Cross multiply
   63,666.63x = 87,886.89 × 42,974.61
4. Step 4: Simplify right side
   63,666.63x = 3,776,904,821.86
5. Step 5: Solve for x
   x = 3,776,904,821.86/63,666.63
6. Step 6: Final answer
   x = 59,323.15