Finding the Fourth Proportional to 1,142,290, 1,713,422.69 and 468,221.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,290 : 1,713,422.69 = 468,221.06 : x
2. Step 2: Convert to fraction form
   1,142,290/1,713,422.69 = 468,221.06/x
3. Step 3: Cross multiply
   1,142,290x = 1,713,422.69 × 468,221.06
4. Step 4: Simplify right side
   1,142,290x = 802,260,588,139.85
5. Step 5: Solve for x
   x = 802,260,588,139.85/1,142,290
6. Step 6: Final answer
   x = 702,326.54