Finding the Fourth Proportional to 148,369.84, 204,638.76 and 103,047.88

Step by Step Solution

1. Step 1: Write the proportion equation
   148,369.84 : 204,638.76 = 103,047.88 : x
2. Step 2: Convert to fraction form
   148,369.84/204,638.76 = 103,047.88/x
3. Step 3: Cross multiply
   148,369.84x = 204,638.76 × 103,047.88
4. Step 4: Simplify right side
   148,369.84x = 21,087,590,383.83
5. Step 5: Solve for x
   x = 21,087,590,383.83/148,369.84
6. Step 6: Final answer
   x = 142,128.55