Finding the Fourth Proportional to 139,466.17, 209,111.59 and 101,529.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,466.17 : 209,111.59 = 101,529.01 : x
2. Step 2: Convert to fraction form
   139,466.17/209,111.59 = 101,529.01/x
3. Step 3: Cross multiply
   139,466.17x = 209,111.59 × 101,529.01
4. Step 4: Simplify right side
   139,466.17x = 21,230,892,712.23
5. Step 5: Solve for x
   x = 21,230,892,712.23/139,466.17
6. Step 6: Final answer
   x = 152,229.70