Finding the Fourth Proportional to 83,978.88, 115,890.86 and 46,253.13

Step by Step Solution

1. Step 1: Write the proportion equation
   83,978.88 : 115,890.86 = 46,253.13 : x
2. Step 2: Convert to fraction form
   83,978.88/115,890.86 = 46,253.13/x
3. Step 3: Cross multiply
   83,978.88x = 115,890.86 × 46,253.13
4. Step 4: Simplify right side
   83,978.88x = 5,360,314,782.13
5. Step 5: Solve for x
   x = 5,360,314,782.13/83,978.88
6. Step 6: Final answer
   x = 63,829.32