Finding the Fourth Proportional to 80,437.18, 111,008.54 and 46,447.10

Step by Step Solution

1. Step 1: Write the proportion equation
   80,437.18 : 111,008.54 = 46,447.10 : x
2. Step 2: Convert to fraction form
   80,437.18/111,008.54 = 46,447.10/x
3. Step 3: Cross multiply
   80,437.18x = 111,008.54 × 46,447.10
4. Step 4: Simplify right side
   80,437.18x = 5,156,024,758.23
5. Step 5: Solve for x
   x = 5,156,024,758.23/80,437.18
6. Step 6: Final answer
   x = 64,100.02