Finding the Fourth Proportional to 130,075.56, 195,108.84 and 55,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,075.56 : 195,108.84 = 55,147.50 : x
2. Step 2: Convert to fraction form
   130,075.56/195,108.84 = 55,147.50/x
3. Step 3: Cross multiply
   130,075.56x = 195,108.84 × 55,147.50
4. Step 4: Simplify right side
   130,075.56x = 10,759,764,753.90
5. Step 5: Solve for x
   x = 10,759,764,753.90/130,075.56
6. Step 6: Final answer
   x = 82,719.34