Finding the Fourth Proportional to 1,142,366.76, 1,713,564.72 and 432,204.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,366.76 : 1,713,564.72 = 432,204.12 : x
2. Step 2: Convert to fraction form
   1,142,366.76/1,713,564.72 = 432,204.12/x
3. Step 3: Cross multiply
   1,142,366.76x = 1,713,564.72 × 432,204.12
4. Step 4: Simplify right side
   1,142,366.76x = 740,609,731,870.65
5. Step 5: Solve for x
   x = 740,609,731,870.65/1,142,366.76
6. Step 6: Final answer
   x = 648,311.70