Finding the Fourth Proportional to 74,501.82, 111,752.64 and 30,128.22

Step by Step Solution

1. Step 1: Write the proportion equation
   74,501.82 : 111,752.64 = 30,128.22 : x
2. Step 2: Convert to fraction form
   74,501.82/111,752.64 = 30,128.22/x
3. Step 3: Cross multiply
   74,501.82x = 111,752.64 × 30,128.22
4. Step 4: Simplify right side
   74,501.82x = 3,366,908,123.50
5. Step 5: Solve for x
   x = 3,366,908,123.50/74,501.82
6. Step 6: Final answer
   x = 45,192.29