Finding the Fourth Proportional to 2,178,472.32, 3,005,064.72 and 1,307,081.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,472.32 : 3,005,064.72 = 1,307,081.52 : x
2. Step 2: Convert to fraction form
   2,178,472.32/3,005,064.72 = 1,307,081.52/x
3. Step 3: Cross multiply
   2,178,472.32x = 3,005,064.72 × 1,307,081.52
4. Step 4: Simplify right side
   2,178,472.32x = 3,927,864,561,915.97
5. Step 5: Solve for x
   x = 3,927,864,561,915.97/2,178,472.32
6. Step 6: Final answer
   x = 1,803,036.25