Finding the Fourth Proportional to 7,375,978.16, 11,057,656.56 and 2,830,289.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,375,978.16 : 11,057,656.56 = 2,830,289.06 : x
2. Step 2: Convert to fraction form
   7,375,978.16/11,057,656.56 = 2,830,289.06/x
3. Step 3: Cross multiply
   7,375,978.16x = 11,057,656.56 × 2,830,289.06
4. Step 4: Simplify right side
   7,375,978.16x = 31,296,364,391,005.23
5. Step 5: Solve for x
   x = 31,296,364,391,005.23/7,375,978.16
6. Step 6: Final answer
   x = 4,243,012.07