Finding the Fourth Proportional to 83,978.29, 115,887.67 and 45,736.98

Step by Step Solution

1. Step 1: Write the proportion equation
   83,978.29 : 115,887.67 = 45,736.98 : x
2. Step 2: Convert to fraction form
   83,978.29/115,887.67 = 45,736.98/x
3. Step 3: Cross multiply
   83,978.29x = 115,887.67 × 45,736.98
4. Step 4: Simplify right side
   83,978.29x = 5,300,352,045.04
5. Step 5: Solve for x
   x = 5,300,352,045.04/83,978.29
6. Step 6: Final answer
   x = 63,115.74