Finding the Fourth Proportional to 1,003,128.74, 1,504,807.37 and 363,733.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,128.74 : 1,504,807.37 = 363,733.67 : x
2. Step 2: Convert to fraction form
   1,003,128.74/1,504,807.37 = 363,733.67/x
3. Step 3: Cross multiply
   1,003,128.74x = 1,504,807.37 × 363,733.67
4. Step 4: Simplify right side
   1,003,128.74x = 547,349,110,640.50
5. Step 5: Solve for x
   x = 547,349,110,640.50/1,003,128.74
6. Step 6: Final answer
   x = 545,641.94