Finding the Fourth Proportional to 1,182,439.19, 1,773,849.83 and 499,428.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,439.19 : 1,773,849.83 = 499,428.72 : x
2. Step 2: Convert to fraction form
   1,182,439.19/1,773,849.83 = 499,428.72/x
3. Step 3: Cross multiply
   1,182,439.19x = 1,773,849.83 × 499,428.72
4. Step 4: Simplify right side
   1,182,439.19x = 885,911,550,069.12
5. Step 5: Solve for x
   x = 885,911,550,069.12/1,182,439.19
6. Step 6: Final answer
   x = 749,223.77