Finding the Fourth Proportional to 42,204,030.55, 59,220,012.05 and 42,204,030.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,204,030.55 : 59,220,012.05 = 42,204,030.55 : x
2. Step 2: Convert to fraction form
   42,204,030.55/59,220,012.05 = 42,204,030.55/x
3. Step 3: Cross multiply
   42,204,030.55x = 59,220,012.05 × 42,204,030.55
4. Step 4: Simplify right side
   42,204,030.55x = 2,499,323,197,729,568
5. Step 5: Solve for x
   x = 2,499,323,197,729,568/42,204,030.55
6. Step 6: Final answer
   x = 59,220,012.05