Finding the Fourth Proportional to 249,345.50, 374,070.79 and 80,852.69

Step by Step Solution

1. Step 1: Write the proportion equation
   249,345.50 : 374,070.79 = 80,852.69 : x
2. Step 2: Convert to fraction form
   249,345.50/374,070.79 = 80,852.69/x
3. Step 3: Cross multiply
   249,345.50x = 374,070.79 × 80,852.69
4. Step 4: Simplify right side
   249,345.50x = 30,244,630,658.17
5. Step 5: Solve for x
   x = 30,244,630,658.17/249,345.50
6. Step 6: Final answer
   x = 121,296.08