Finding the Fourth Proportional to 1,664,477.52, 2,296,978.20 and 939,477.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,477.52 : 2,296,978.20 = 939,477.30 : x
2. Step 2: Convert to fraction form
   1,664,477.52/2,296,978.20 = 939,477.30/x
3. Step 3: Cross multiply
   1,664,477.52x = 2,296,978.20 × 939,477.30
4. Step 4: Simplify right side
   1,664,477.52x = 2,157,958,877,494.86
5. Step 5: Solve for x
   x = 2,157,958,877,494.86/1,664,477.52
6. Step 6: Final answer
   x = 1,296,478.24