Finding the Fourth Proportional to 2,108,025, 3,162,124.98 and 612,117

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,025 : 3,162,124.98 = 612,117 : x
2. Step 2: Convert to fraction form
   2,108,025/3,162,124.98 = 612,117/x
3. Step 3: Cross multiply
   2,108,025x = 3,162,124.98 × 612,117
4. Step 4: Simplify right side
   2,108,025x = 1,935,590,456,382.66
5. Step 5: Solve for x
   x = 1,935,590,456,382.66/2,108,025
6. Step 6: Final answer
   x = 918,200.90