Finding the Fourth Proportional to 1,005,375.57, 1,387,383.15 and 552,663.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,375.57 : 1,387,383.15 = 552,663.33 : x
2. Step 2: Convert to fraction form
   1,005,375.57/1,387,383.15 = 552,663.33/x
3. Step 3: Cross multiply
   1,005,375.57x = 1,387,383.15 × 552,663.33
4. Step 4: Simplify right side
   1,005,375.57x = 766,755,791,664.89
5. Step 5: Solve for x
   x = 766,755,791,664.89/1,005,375.57
6. Step 6: Final answer
   x = 762,656.08