Finding the Fourth Proportional to 2,532,077.30, 3,798,099.54 and 638,820.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,532,077.30 : 3,798,099.54 = 638,820.56 : x
2. Step 2: Convert to fraction form
   2,532,077.30/3,798,099.54 = 638,820.56/x
3. Step 3: Cross multiply
   2,532,077.30x = 3,798,099.54 × 638,820.56
4. Step 4: Simplify right side
   2,532,077.30x = 2,426,304,056,088.05
5. Step 5: Solve for x
   x = 2,426,304,056,088.05/2,532,077.30
6. Step 6: Final answer
   x = 958,226.69