Finding the Fourth Proportional to 71,980.54, 99,365.01 and 46,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   71,980.54 : 99,365.01 = 46,499.32 : x
2. Step 2: Convert to fraction form
   71,980.54/99,365.01 = 46,499.32/x
3. Step 3: Cross multiply
   71,980.54x = 99,365.01 × 46,499.32
4. Step 4: Simplify right side
   71,980.54x = 4,620,405,396.79
5. Step 5: Solve for x
   x = 4,620,405,396.79/71,980.54
6. Step 6: Final answer
   x = 64,189.65