Finding the Fourth Proportional to 34,428,287.57, 47,507,424.80 and 19,538,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,428,287.57 : 47,507,424.80 = 19,538,870.10 : x
2. Step 2: Convert to fraction form
   34,428,287.57/47,507,424.80 = 19,538,870.10/x
3. Step 3: Cross multiply
   34,428,287.57x = 47,507,424.80 × 19,538,870.10
4. Step 4: Simplify right side
   34,428,287.57x = 928,241,401,676,871.38
5. Step 5: Solve for x
   x = 928,241,401,676,871.38/34,428,287.57
6. Step 6: Final answer
   x = 26,961,590.81