Finding the Fourth Proportional to 1,167,411.48, 1,751,023.72 and 519,188.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,411.48 : 1,751,023.72 = 519,188.37 : x
2. Step 2: Convert to fraction form
   1,167,411.48/1,751,023.72 = 519,188.37/x
3. Step 3: Cross multiply
   1,167,411.48x = 1,751,023.72 × 519,188.37
4. Step 4: Simplify right side
   1,167,411.48x = 909,111,154,950.29
5. Step 5: Solve for x
   x = 909,111,154,950.29/1,167,411.48
6. Step 6: Final answer
   x = 778,740.98