Finding the Fourth Proportional to 98,196.76, 135,516.84 and 57,934.12

Step by Step Solution

1. Step 1: Write the proportion equation
   98,196.76 : 135,516.84 = 57,934.12 : x
2. Step 2: Convert to fraction form
   98,196.76/135,516.84 = 57,934.12/x
3. Step 3: Cross multiply
   98,196.76x = 135,516.84 × 57,934.12
4. Step 4: Simplify right side
   98,196.76x = 7,851,048,870.58
5. Step 5: Solve for x
   x = 7,851,048,870.58/98,196.76
6. Step 6: Final answer
   x = 79,952.22