Finding the Fourth Proportional to 139,461.32, 192,457.88 and 75,799.27

Step by Step Solution

1. Step 1: Write the proportion equation
   139,461.32 : 192,457.88 = 75,799.27 : x
2. Step 2: Convert to fraction form
   139,461.32/192,457.88 = 75,799.27/x
3. Step 3: Cross multiply
   139,461.32x = 192,457.88 × 75,799.27
4. Step 4: Simplify right side
   139,461.32x = 14,588,166,518.10
5. Step 5: Solve for x
   x = 14,588,166,518.10/139,461.32
6. Step 6: Final answer
   x = 104,603.68