Finding the Fourth Proportional to 10,257,990.10, 15,393,026.54 and 3,785,619.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,257,990.10 : 15,393,026.54 = 3,785,619.98 : x
2. Step 2: Convert to fraction form
   10,257,990.10/15,393,026.54 = 3,785,619.98/x
3. Step 3: Cross multiply
   10,257,990.10x = 15,393,026.54 × 3,785,619.98
4. Step 4: Simplify right side
   10,257,990.10x = 58,272,148,870,440.88
5. Step 5: Solve for x
   x = 58,272,148,870,440.88/10,257,990.10
6. Step 6: Final answer
   x = 5,680,659.50