Finding the Fourth Proportional to 19,724,061.61, 29,599,826.78 and 6,945,595.57

Step by Step Solution

1. Step 1: Write the proportion equation
   19,724,061.61 : 29,599,826.78 = 6,945,595.57 : x
2. Step 2: Convert to fraction form
   19,724,061.61/29,599,826.78 = 6,945,595.57/x
3. Step 3: Cross multiply
   19,724,061.61x = 29,599,826.78 × 6,945,595.57
4. Step 4: Simplify right side
   19,724,061.61x = 205,588,425,721,207.38
5. Step 5: Solve for x
   x = 205,588,425,721,207.38/19,724,061.61
6. Step 6: Final answer
   x = 10,423,229.75