Finding the Fourth Proportional to 1,423,820.16, 1,964,845.60 and 779,227.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,820.16 : 1,964,845.60 = 779,227.52 : x
2. Step 2: Convert to fraction form
   1,423,820.16/1,964,845.60 = 779,227.52/x
3. Step 3: Cross multiply
   1,423,820.16x = 1,964,845.60 × 779,227.52
4. Step 4: Simplify right side
   1,423,820.16x = 1,531,061,764,070.91
5. Step 5: Solve for x
   x = 1,531,061,764,070.91/1,423,820.16
6. Step 6: Final answer
   x = 1,075,319.63