Finding the Fourth Proportional to 802,700.72, 1,107,776.80 and 445,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   802,700.72 : 1,107,776.80 = 445,004.72 : x
2. Step 2: Convert to fraction form
   802,700.72/1,107,776.80 = 445,004.72/x
3. Step 3: Cross multiply
   802,700.72x = 1,107,776.80 × 445,004.72
4. Step 4: Simplify right side
   802,700.72x = 492,965,904,706.50
5. Step 5: Solve for x
   x = 492,965,904,706.50/802,700.72
6. Step 6: Final answer
   x = 614,134.13