Finding the Fourth Proportional to 6,752,061.52, 10,128,077.24 and 5,217,288.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,752,061.52 : 10,128,077.24 = 5,217,288.60 : x
2. Step 2: Convert to fraction form
   6,752,061.52/10,128,077.24 = 5,217,288.60/x
3. Step 3: Cross multiply
   6,752,061.52x = 10,128,077.24 × 5,217,288.60
4. Step 4: Simplify right side
   6,752,061.52x = 52,841,101,924,171.46
5. Step 5: Solve for x
   x = 52,841,101,924,171.46/6,752,061.52
6. Step 6: Final answer
   x = 7,825,921.28