Finding the Fourth Proportional to 3,870,773.31, 5,341,364.58 and 2,151,789.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,773.31 : 5,341,364.58 = 2,151,789.15 : x
2. Step 2: Convert to fraction form
   3,870,773.31/5,341,364.58 = 2,151,789.15/x
3. Step 3: Cross multiply
   3,870,773.31x = 5,341,364.58 × 2,151,789.15
4. Step 4: Simplify right side
   3,870,773.31x = 11,493,490,349,438.31
5. Step 5: Solve for x
   x = 11,493,490,349,438.31/3,870,773.31
6. Step 6: Final answer
   x = 2,969,300.82