Finding the Fourth Proportional to 116,978.82, 175,322.82 and 53,731.86

Step by Step Solution

1. Step 1: Write the proportion equation
   116,978.82 : 175,322.82 = 53,731.86 : x
2. Step 2: Convert to fraction form
   116,978.82/175,322.82 = 53,731.86/x
3. Step 3: Cross multiply
   116,978.82x = 175,322.82 × 53,731.86
4. Step 4: Simplify right side
   116,978.82x = 9,420,421,219.05
5. Step 5: Solve for x
   x = 9,420,421,219.05/116,978.82
6. Step 6: Final answer
   x = 80,531.00