Finding the Fourth Proportional to 1,117,068.10, 1,676,039.55 and 443,034.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,068.10 : 1,676,039.55 = 443,034.70 : x
2. Step 2: Convert to fraction form
   1,117,068.10/1,676,039.55 = 443,034.70/x
3. Step 3: Cross multiply
   1,117,068.10x = 1,676,039.55 × 443,034.70
4. Step 4: Simplify right side
   1,117,068.10x = 742,543,679,222.39
5. Step 5: Solve for x
   x = 742,543,679,222.39/1,117,068.10
6. Step 6: Final answer
   x = 664,725.52