Finding the Fourth Proportional to 1,038,116.39, 1,556,223.23 and 363,830.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,116.39 : 1,556,223.23 = 363,830.13 : x
2. Step 2: Convert to fraction form
   1,038,116.39/1,556,223.23 = 363,830.13/x
3. Step 3: Cross multiply
   1,038,116.39x = 1,556,223.23 × 363,830.13
4. Step 4: Simplify right side
   1,038,116.39x = 566,200,900,989.50
5. Step 5: Solve for x
   x = 566,200,900,989.50/1,038,116.39
6. Step 6: Final answer
   x = 545,411.78