Finding the Fourth Proportional to 2,287,071.99, 3,156,111.14 and 1,415,675.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,071.99 : 3,156,111.14 = 1,415,675.21 : x
2. Step 2: Convert to fraction form
   2,287,071.99/3,156,111.14 = 1,415,675.21/x
3. Step 3: Cross multiply
   2,287,071.99x = 3,156,111.14 × 1,415,675.21
4. Step 4: Simplify right side
   2,287,071.99x = 4,468,028,278,043.91
5. Step 5: Solve for x
   x = 4,468,028,278,043.91/2,287,071.99
6. Step 6: Final answer
   x = 1,953,601.94