Finding the Fourth Proportional to 3,459,123.30, 5,174,688.15 and 3,039,219.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,459,123.30 : 5,174,688.15 = 3,039,219.30 : x
2. Step 2: Convert to fraction form
   3,459,123.30/5,174,688.15 = 3,039,219.30/x
3. Step 3: Cross multiply
   3,459,123.30x = 5,174,688.15 × 3,039,219.30
4. Step 4: Simplify right side
   3,459,123.30x = 15,727,012,096,961.29
5. Step 5: Solve for x
   x = 15,727,012,096,961.29/3,459,123.30
6. Step 6: Final answer
   x = 4,546,531.23