Finding the Fourth Proportional to 980,792.32, 1,353,455.72 and 551,090.56

Step by Step Solution

1. Step 1: Write the proportion equation
   980,792.32 : 1,353,455.72 = 551,090.56 : x
2. Step 2: Convert to fraction form
   980,792.32/1,353,455.72 = 551,090.56/x
3. Step 3: Cross multiply
   980,792.32x = 1,353,455.72 × 551,090.56
4. Step 4: Simplify right side
   980,792.32x = 745,876,670,670.00
5. Step 5: Solve for x
   x = 745,876,670,670.00/980,792.32
6. Step 6: Final answer
   x = 760,483.80