Finding the Fourth Proportional to 25,071,009.31, 37,617,143.69 and 13,698,171.91

Step by Step Solution

1. Step 1: Write the proportion equation
   25,071,009.31 : 37,617,143.69 = 13,698,171.91 : x
2. Step 2: Convert to fraction form
   25,071,009.31/37,617,143.69 = 13,698,171.91/x
3. Step 3: Cross multiply
   25,071,009.31x = 37,617,143.69 × 13,698,171.91
4. Step 4: Simplify right side
   25,071,009.31x = 515,286,100,960,300.94
5. Step 5: Solve for x
   x = 515,286,100,960,300.94/25,071,009.31
6. Step 6: Final answer
   x = 20,553,065.68