Finding the Fourth Proportional to 83,980.80, 115,894.56 and 46,254.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,980.80 : 115,894.56 = 46,254.72 : x
2. Step 2: Convert to fraction form
   83,980.80/115,894.56 = 46,254.72/x
3. Step 3: Cross multiply
   83,980.80x = 115,894.56 × 46,254.72
4. Step 4: Simplify right side
   83,980.80x = 5,360,670,422.32
5. Step 5: Solve for x
   x = 5,360,670,422.32/83,980.80
6. Step 6: Final answer
   x = 63,832.10