Finding the Fourth Proportional to 648,427.88, 970,648.72 and 552,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,427.88 : 970,648.72 = 552,768.50 : x
2. Step 2: Convert to fraction form
   648,427.88/970,648.72 = 552,768.50/x
3. Step 3: Cross multiply
   648,427.88x = 970,648.72 × 552,768.50
4. Step 4: Simplify right side
   648,427.88x = 536,544,038,026.02
5. Step 5: Solve for x
   x = 536,544,038,026.02/648,427.88
6. Step 6: Final answer
   x = 827,453.68