Finding the Fourth Proportional to 947,259,521.69, 1,307,072,916.72 and 545,295,571.34

Step by Step Solution

1. Step 1: Write the proportion equation
   947,259,521.69 : 1,307,072,916.72 = 545,295,571.34 : x
2. Step 2: Convert to fraction form
   947,259,521.69/1,307,072,916.72 = 545,295,571.34/x
3. Step 3: Cross multiply
   947,259,521.69x = 1,307,072,916.72 × 545,295,571.34
4. Step 4: Simplify right side
   947,259,521.69x = 712,741,072,899,337,344
5. Step 5: Solve for x
   x = 712,741,072,899,337,344/947,259,521.69
6. Step 6: Final answer
   x = 752,424,289.84