Finding the Fourth Proportional to 2,653,021.98, 3,980,374.02 and 947,128.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653,021.98 : 3,980,374.02 = 947,128.14 : x
2. Step 2: Convert to fraction form
   2,653,021.98/3,980,374.02 = 947,128.14/x
3. Step 3: Cross multiply
   2,653,021.98x = 3,980,374.02 × 947,128.14
4. Step 4: Simplify right side
   2,653,021.98x = 3,769,924,242,066.92
5. Step 5: Solve for x
   x = 3,769,924,242,066.92/2,653,021.98
6. Step 6: Final answer
   x = 1,420,992.46