Finding the Fourth Proportional to 740,518.39, 1,110,820.52 and 208,080.69

Step by Step Solution

1. Step 1: Write the proportion equation
   740,518.39 : 1,110,820.52 = 208,080.69 : x
2. Step 2: Convert to fraction form
   740,518.39/1,110,820.52 = 208,080.69/x
3. Step 3: Cross multiply
   740,518.39x = 1,110,820.52 × 208,080.69
4. Step 4: Simplify right side
   740,518.39x = 231,140,300,267.76
5. Step 5: Solve for x
   x = 231,140,300,267.76/740,518.39
6. Step 6: Final answer
   x = 312,133.10