Finding the Fourth Proportional to 84,417, 116,499.12 and 46,691.28

Step by Step Solution

1. Step 1: Write the proportion equation
   84,417 : 116,499.12 = 46,691.28 : x
2. Step 2: Convert to fraction form
   84,417/116,499.12 = 46,691.28/x
3. Step 3: Cross multiply
   84,417x = 116,499.12 × 46,691.28
4. Step 4: Simplify right side
   84,417x = 5,439,493,031.67
5. Step 5: Solve for x
   x = 5,439,493,031.67/84,417
6. Step 6: Final answer
   x = 64,435.99