Finding the Fourth Proportional to 139,483.94, 192,488.96 and 75,821.59

Step by Step Solution

1. Step 1: Write the proportion equation
   139,483.94 : 192,488.96 = 75,821.59 : x
2. Step 2: Convert to fraction form
   139,483.94/192,488.96 = 75,821.59/x
3. Step 3: Cross multiply
   139,483.94x = 192,488.96 × 75,821.59
4. Step 4: Simplify right side
   139,483.94x = 14,594,817,663.09
5. Step 5: Solve for x
   x = 14,594,817,663.09/139,483.94
6. Step 6: Final answer
   x = 104,634.39