Finding the Fourth Proportional to 1,175,031.12, 1,759,812.72 and 1,142,706.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,031.12 : 1,759,812.72 = 1,142,706.24 : x
2. Step 2: Convert to fraction form
   1,175,031.12/1,759,812.72 = 1,142,706.24/x
3. Step 3: Cross multiply
   1,175,031.12x = 1,759,812.72 × 1,142,706.24
4. Step 4: Simplify right side
   1,175,031.12x = 2,010,948,976,375.37
5. Step 5: Solve for x
   x = 2,010,948,976,375.37/1,175,031.12
6. Step 6: Final answer
   x = 1,711,400.61