Finding the Fourth Proportional to 72,180.37, 99,614.01 and 47,029.87

Step by Step Solution

1. Step 1: Write the proportion equation
   72,180.37 : 99,614.01 = 47,029.87 : x
2. Step 2: Convert to fraction form
   72,180.37/99,614.01 = 47,029.87/x
3. Step 3: Cross multiply
   72,180.37x = 99,614.01 × 47,029.87
4. Step 4: Simplify right side
   72,180.37x = 4,684,833,940.48
5. Step 5: Solve for x
   x = 4,684,833,940.48/72,180.37
6. Step 6: Final answer
   x = 64,904.54