Finding the Fourth Proportional to 19,957,696.72, 29,936,282.64 and 4,811,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,957,696.72 : 29,936,282.64 = 4,811,506.72 : x
2. Step 2: Convert to fraction form
   19,957,696.72/29,936,282.64 = 4,811,506.72/x
3. Step 3: Cross multiply
   19,957,696.72x = 29,936,282.64 × 4,811,506.72
4. Step 4: Simplify right side
   19,957,696.72x = 144,038,625,094,179.34
5. Step 5: Solve for x
   x = 144,038,625,094,179.34/19,957,696.72
6. Step 6: Final answer
   x = 7,217,196.81