Finding the Fourth Proportional to 46,991.31, 64,488.45 and 46,659.17

Step by Step Solution

1. Step 1: Write the proportion equation
   46,991.31 : 64,488.45 = 46,659.17 : x
2. Step 2: Convert to fraction form
   46,991.31/64,488.45 = 46,659.17/x
3. Step 3: Cross multiply
   46,991.31x = 64,488.45 × 46,659.17
4. Step 4: Simplify right side
   46,991.31x = 3,008,977,887.78
5. Step 5: Solve for x
   x = 3,008,977,887.78/46,991.31
6. Step 6: Final answer
   x = 64,032.65