Finding the Fourth Proportional to 3,638,477.52, 5,457,978.72 and 1,113,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,477.52 : 5,457,978.72 = 1,113,804.72 : x
2. Step 2: Convert to fraction form
   3,638,477.52/5,457,978.72 = 1,113,804.72/x
3. Step 3: Cross multiply
   3,638,477.52x = 5,457,978.72 × 1,113,804.72
4. Step 4: Simplify right side
   3,638,477.52x = 6,079,122,459,995.56
5. Step 5: Solve for x
   x = 6,079,122,459,995.56/3,638,477.52
6. Step 6: Final answer
   x = 1,670,787.42