Finding the Fourth Proportional to 130,479.84, 195,570.72 and 55,490.04

Step by Step Solution

1. Step 1: Write the proportion equation
   130,479.84 : 195,570.72 = 55,490.04 : x
2. Step 2: Convert to fraction form
   130,479.84/195,570.72 = 55,490.04/x
3. Step 3: Cross multiply
   130,479.84x = 195,570.72 × 55,490.04
4. Step 4: Simplify right side
   130,479.84x = 10,852,227,075.63
5. Step 5: Solve for x
   x = 10,852,227,075.63/130,479.84
6. Step 6: Final answer
   x = 83,171.68