Finding the Fourth Proportional to 1,132,564.83, 1,562,938.54 and 623,267.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,564.83 : 1,562,938.54 = 623,267.20 : x
2. Step 2: Convert to fraction form
   1,132,564.83/1,562,938.54 = 623,267.20/x
3. Step 3: Cross multiply
   1,132,564.83x = 1,562,938.54 × 623,267.20
4. Step 4: Simplify right side
   1,132,564.83x = 974,128,327,597.89
5. Step 5: Solve for x
   x = 974,128,327,597.89/1,132,564.83
6. Step 6: Final answer
   x = 860,108.23