Finding the Fourth Proportional to 139,088.22, 191,940.06 and 75,425.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,088.22 : 191,940.06 = 75,425.25 : x
2. Step 2: Convert to fraction form
   139,088.22/191,940.06 = 75,425.25/x
3. Step 3: Cross multiply
   139,088.22x = 191,940.06 × 75,425.25
4. Step 4: Simplify right side
   139,088.22x = 14,477,127,010.52
5. Step 5: Solve for x
   x = 14,477,127,010.52/139,088.22
6. Step 6: Final answer
   x = 104,085.93