Finding the Fourth Proportional to 19,928,123.10, 29,948,171.85 and 17,464,686.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,928,123.10 : 29,948,171.85 = 17,464,686.30 : x
2. Step 2: Convert to fraction form
   19,928,123.10/29,948,171.85 = 17,464,686.30/x
3. Step 3: Cross multiply
   19,928,123.10x = 29,948,171.85 × 17,464,686.30
4. Step 4: Simplify right side
   19,928,123.10x = 523,035,426,618,740.69
5. Step 5: Solve for x
   x = 523,035,426,618,740.69/19,928,123.10
6. Step 6: Final answer
   x = 26,246,095.73