Finding the Fourth Proportional to 118,476.94, 163,498.18 and 64,762.18

Step by Step Solution

1. Step 1: Write the proportion equation
   118,476.94 : 163,498.18 = 64,762.18 : x
2. Step 2: Convert to fraction form
   118,476.94/163,498.18 = 64,762.18/x
3. Step 3: Cross multiply
   118,476.94x = 163,498.18 × 64,762.18
4. Step 4: Simplify right side
   118,476.94x = 10,588,498,562.83
5. Step 5: Solve for x
   x = 10,588,498,562.83/118,476.94
6. Step 6: Final answer
   x = 89,371.81