Finding the Fourth Proportional to 12,557,401.92, 18,838,077.12 and 5,368,973.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,557,401.92 : 18,838,077.12 = 5,368,973.76 : x
2. Step 2: Convert to fraction form
   12,557,401.92/18,838,077.12 = 5,368,973.76/x
3. Step 3: Cross multiply
   12,557,401.92x = 18,838,077.12 × 5,368,973.76
4. Step 4: Simplify right side
   12,557,401.92x = 101,141,141,746,136.38
5. Step 5: Solve for x
   x = 101,141,141,746,136.38/12,557,401.92
6. Step 6: Final answer
   x = 8,054,304.74