Finding the Fourth Proportional to 34,259.31, 51,390.72 and 10,887.57

Step by Step Solution

1. Step 1: Write the proportion equation
   34,259.31 : 51,390.72 = 10,887.57 : x
2. Step 2: Convert to fraction form
   34,259.31/51,390.72 = 10,887.57/x
3. Step 3: Cross multiply
   34,259.31x = 51,390.72 × 10,887.57
4. Step 4: Simplify right side
   34,259.31x = 559,520,061.35
5. Step 5: Solve for x
   x = 559,520,061.35/34,259.31
6. Step 6: Final answer
   x = 16,331.91