Finding the Fourth Proportional to 1,002,658.69, 1,503,521.47 and 371,403.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,658.69 : 1,503,521.47 = 371,403.01 : x
2. Step 2: Convert to fraction form
   1,002,658.69/1,503,521.47 = 371,403.01/x
3. Step 3: Cross multiply
   1,002,658.69x = 1,503,521.47 × 371,403.01
4. Step 4: Simplify right side
   1,002,658.69x = 558,412,399,557.63
5. Step 5: Solve for x
   x = 558,412,399,557.63/1,002,658.69
6. Step 6: Final answer
   x = 556,931.69