Finding the Fourth Proportional to 1,116,710.43, 1,675,087.52 and 318,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,710.43 : 1,675,087.52 = 318,012.50 : x
2. Step 2: Convert to fraction form
   1,116,710.43/1,675,087.52 = 318,012.50/x
3. Step 3: Cross multiply
   1,116,710.43x = 1,675,087.52 × 318,012.50
4. Step 4: Simplify right side
   1,116,710.43x = 532,698,759,988.50
5. Step 5: Solve for x
   x = 532,698,759,988.50/1,116,710.43
6. Step 6: Final answer
   x = 477,024.97