Finding the Fourth Proportional to 47,488.68, 65,564.24 and 30,499.77

Step by Step Solution

1. Step 1: Write the proportion equation
   47,488.68 : 65,564.24 = 30,499.77 : x
2. Step 2: Convert to fraction form
   47,488.68/65,564.24 = 30,499.77/x
3. Step 3: Cross multiply
   47,488.68x = 65,564.24 × 30,499.77
4. Step 4: Simplify right side
   47,488.68x = 1,999,694,333.59
5. Step 5: Solve for x
   x = 1,999,694,333.59/47,488.68
6. Step 6: Final answer
   x = 42,108.86