Finding the Fourth Proportional to 139,535,051.46, 192,560,819.72 and 75,957,218.69

Step by Step Solution

1. Step 1: Write the proportion equation
   139,535,051.46 : 192,560,819.72 = 75,957,218.69 : x
2. Step 2: Convert to fraction form
   139,535,051.46/192,560,819.72 = 75,957,218.69/x
3. Step 3: Cross multiply
   139,535,051.46x = 192,560,819.72 × 75,957,218.69
4. Step 4: Simplify right side
   139,535,051.46x = 14,626,384,294,765,148
5. Step 5: Solve for x
   x = 14,626,384,294,765,148/139,535,051.46
6. Step 6: Final answer
   x = 104,822,294.77