Finding the Fourth Proportional to 83,672, 115,467.48 and 45,948.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,672 : 115,467.48 = 45,948.80 : x
2. Step 2: Convert to fraction form
   83,672/115,467.48 = 45,948.80/x
3. Step 3: Cross multiply
   83,672x = 115,467.48 × 45,948.80
4. Step 4: Simplify right side
   83,672x = 5,305,592,145.02
5. Step 5: Solve for x
   x = 5,305,592,145.02/83,672
6. Step 6: Final answer
   x = 63,409.41