Finding the Fourth Proportional to 1,007,301.69, 1,390,073.76 and 554,592.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,301.69 : 1,390,073.76 = 554,592.69 : x
2. Step 2: Convert to fraction form
   1,007,301.69/1,390,073.76 = 554,592.69/x
3. Step 3: Cross multiply
   1,007,301.69x = 1,390,073.76 × 554,592.69
4. Step 4: Simplify right side
   1,007,301.69x = 770,924,745,856.81
5. Step 5: Solve for x
   x = 770,924,745,856.81/1,007,301.69
6. Step 6: Final answer
   x = 765,336.50