Finding the Fourth Proportional to 851,427.84, 1,174,978.32 and 469,468.32

Step by Step Solution

1. Step 1: Write the proportion equation
   851,427.84 : 1,174,978.32 = 469,468.32 : x
2. Step 2: Convert to fraction form
   851,427.84/1,174,978.32 = 469,468.32/x
3. Step 3: Cross multiply
   851,427.84x = 1,174,978.32 × 469,468.32
4. Step 4: Simplify right side
   851,427.84x = 551,615,097,926.82
5. Step 5: Solve for x
   x = 551,615,097,926.82/851,427.84
6. Step 6: Final answer
   x = 647,870.64