Finding the Fourth Proportional to 776,499.40, 1,071,566.98 and 436,967.65

Step by Step Solution

1. Step 1: Write the proportion equation
   776,499.40 : 1,071,566.98 = 436,967.65 : x
2. Step 2: Convert to fraction form
   776,499.40/1,071,566.98 = 436,967.65/x
3. Step 3: Cross multiply
   776,499.40x = 1,071,566.98 × 436,967.65
4. Step 4: Simplify right side
   776,499.40x = 468,240,105,068.20
5. Step 5: Solve for x
   x = 468,240,105,068.20/776,499.40
6. Step 6: Final answer
   x = 603,014.12