Finding the Fourth Proportional to 100,748.95, 151,131.89 and 30,628.87

Step by Step Solution

1. Step 1: Write the proportion equation
   100,748.95 : 151,131.89 = 30,628.87 : x
2. Step 2: Convert to fraction form
   100,748.95/151,131.89 = 30,628.87/x
3. Step 3: Cross multiply
   100,748.95x = 151,131.89 × 30,628.87
4. Step 4: Simplify right side
   100,748.95x = 4,628,998,858.52
5. Step 5: Solve for x
   x = 4,628,998,858.52/100,748.95
6. Step 6: Final answer
   x = 45,945.88