Finding the Fourth Proportional to 297,022.71, 445,510.75 and 83,781.98

Step by Step Solution

1. Step 1: Write the proportion equation
   297,022.71 : 445,510.75 = 83,781.98 : x
2. Step 2: Convert to fraction form
   297,022.71/445,510.75 = 83,781.98/x
3. Step 3: Cross multiply
   297,022.71x = 445,510.75 × 83,781.98
4. Step 4: Simplify right side
   297,022.71x = 37,325,772,746.29
5. Step 5: Solve for x
   x = 37,325,772,746.29/297,022.71
6. Step 6: Final answer
   x = 125,666.39