Finding the Fourth Proportional to 7,120,373.31, 9,826,145.27 and 3,857,188.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,120,373.31 : 9,826,145.27 = 3,857,188.06 : x
2. Step 2: Convert to fraction form
   7,120,373.31/9,826,145.27 = 3,857,188.06/x
3. Step 3: Cross multiply
   7,120,373.31x = 9,826,145.27 × 3,857,188.06
4. Step 4: Simplify right side
   7,120,373.31x = 37,901,290,218,730.67
5. Step 5: Solve for x
   x = 37,901,290,218,730.67/7,120,373.31
6. Step 6: Final answer
   x = 5,322,935.83