Finding the Fourth Proportional to 3,978,011.48, 5,488,215.83 and 2,602,140.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,011.48 : 5,488,215.83 = 2,602,140.62 : x
2. Step 2: Convert to fraction form
   3,978,011.48/5,488,215.83 = 2,602,140.62/x
3. Step 3: Cross multiply
   3,978,011.48x = 5,488,215.83 × 2,602,140.62
4. Step 4: Simplify right side
   3,978,011.48x = 14,281,109,302,118.23
5. Step 5: Solve for x
   x = 14,281,109,302,118.23/3,978,011.48
6. Step 6: Final answer
   x = 3,590,012.09