Finding the Fourth Proportional to 5,434,128.74, 7,499,185.26 and 3,111,012.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434,128.74 : 7,499,185.26 = 3,111,012.02 : x
2. Step 2: Convert to fraction form
   5,434,128.74/7,499,185.26 = 3,111,012.02/x
3. Step 3: Cross multiply
   5,434,128.74x = 7,499,185.26 × 3,111,012.02
4. Step 4: Simplify right side
   5,434,128.74x = 23,330,055,484,066.82
5. Step 5: Solve for x
   x = 23,330,055,484,066.82/5,434,128.74
6. Step 6: Final answer
   x = 4,293,246.74