Finding the Fourth Proportional to 78,899.58, 108,871.61 and 46,630.40

Step by Step Solution

1. Step 1: Write the proportion equation
   78,899.58 : 108,871.61 = 46,630.40 : x
2. Step 2: Convert to fraction form
   78,899.58/108,871.61 = 46,630.40/x
3. Step 3: Cross multiply
   78,899.58x = 108,871.61 × 46,630.40
4. Step 4: Simplify right side
   78,899.58x = 5,076,725,945.43
5. Step 5: Solve for x
   x = 5,076,725,945.43/78,899.58
6. Step 6: Final answer
   x = 64,344.14