Finding the Fourth Proportional to 139,275.72, 192,200.49 and 75,613.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,275.72 : 192,200.49 = 75,613.52 : x
2. Step 2: Convert to fraction form
   139,275.72/192,200.49 = 75,613.52/x
3. Step 3: Cross multiply
   139,275.72x = 192,200.49 × 75,613.52
4. Step 4: Simplify right side
   139,275.72x = 14,532,956,075.13
5. Step 5: Solve for x
   x = 14,532,956,075.13/139,275.72
6. Step 6: Final answer
   x = 104,346.66