Finding the Fourth Proportional to 3,638,404.60, 5,457,623.10 and 942,538.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638,404.60 : 5,457,623.10 = 942,538.30 : x
2. Step 2: Convert to fraction form
   3,638,404.60/5,457,623.10 = 942,538.30/x
3. Step 3: Cross multiply
   3,638,404.60x = 5,457,623.10 × 942,538.30
4. Step 4: Simplify right side
   3,638,404.60x = 5,144,018,798,714.73
5. Step 5: Solve for x
   x = 5,144,018,798,714.73/3,638,404.60
6. Step 6: Final answer
   x = 1,413,811.65