Finding the Fourth Proportional to 46,700.76, 64,445.72 and 25,480

Step by Step Solution

1. Step 1: Write the proportion equation
   46,700.76 : 64,445.72 = 25,480 : x
2. Step 2: Convert to fraction form
   46,700.76/64,445.72 = 25,480/x
3. Step 3: Cross multiply
   46,700.76x = 64,445.72 × 25,480
4. Step 4: Simplify right side
   46,700.76x = 1,642,076,945.60
5. Step 5: Solve for x
   x = 1,642,076,945.60/46,700.76
6. Step 6: Final answer
   x = 35,161.68