Finding the Fourth Proportional to 100,111.80, 150,189.78 and 37,782.84

Step by Step Solution

1. Step 1: Write the proportion equation
   100,111.80 : 150,189.78 = 37,782.84 : x
2. Step 2: Convert to fraction form
   100,111.80/150,189.78 = 37,782.84/x
3. Step 3: Cross multiply
   100,111.80x = 150,189.78 × 37,782.84
4. Step 4: Simplify right side
   100,111.80x = 5,674,596,427.38
5. Step 5: Solve for x
   x = 5,674,596,427.38/100,111.80
6. Step 6: Final answer
   x = 56,682.59