Finding the Fourth Proportional to 139,532.22, 192,549.06 and 75,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   139,532.22 : 192,549.06 = 75,870.18 : x
2. Step 2: Convert to fraction form
   139,532.22/192,549.06 = 75,870.18/x
3. Step 3: Cross multiply
   139,532.22x = 192,549.06 × 75,870.18
4. Step 4: Simplify right side
   139,532.22x = 14,608,731,841.03
5. Step 5: Solve for x
   x = 14,608,731,841.03/139,532.22
6. Step 6: Final answer
   x = 104,697.91