Finding the Fourth Proportional to 107,061.37, 147,756.83 and 74,775.78

Step by Step Solution

1. Step 1: Write the proportion equation
   107,061.37 : 147,756.83 = 74,775.78 : x
2. Step 2: Convert to fraction form
   107,061.37/147,756.83 = 74,775.78/x
3. Step 3: Cross multiply
   107,061.37x = 147,756.83 × 74,775.78
4. Step 4: Simplify right side
   107,061.37x = 11,048,631,839.70
5. Step 5: Solve for x
   x = 11,048,631,839.70/107,061.37
6. Step 6: Final answer
   x = 103,199.05