Finding the Fourth Proportional to 47,078.01, 64,948.77 and 30,077.87

Step by Step Solution

1. Step 1: Write the proportion equation
   47,078.01 : 64,948.77 = 30,077.87 : x
2. Step 2: Convert to fraction form
   47,078.01/64,948.77 = 30,077.87/x
3. Step 3: Cross multiply
   47,078.01x = 64,948.77 × 30,077.87
4. Step 4: Simplify right side
   47,078.01x = 1,953,520,335.98
5. Step 5: Solve for x
   x = 1,953,520,335.98/47,078.01
6. Step 6: Final answer
   x = 41,495.39